290 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885. A LIST OF THE MESOZOIC AND CENOZOIC TYPES IN THE. COL-LECTIONS OF THE U. S. NATIONAL MUSEUM.By JOHN BEIiKIVAP JTIARCOU.Tbis list contains all the original types that I have been able to findin the collections of the National Museum. Many of the original labelshave been lost or misplaced, and reideutification has frequently beennecessary. This work has often been attended with some diflBculty, owingto unsatisfactory descriptions and inaccurate figures. Many of thetypes which should be here have disappeared, sometimes altogether,l)ut sometimes only one or more of the type specimens have* been lostand the remainder found. All the specimens mentioned in this list havebeen carefully compared with the descriptions and figures referred to,they have been accurately and safely labeled, and can be seen at the ^National Museum. It is very probable that a few more of these typespecimens may be found during the arrangement of the remainder ofthe collections, but only very few can be found in this way, as all thedrawers have been searched especially for them. A small piece of greenglazed paper has been pasted on every figured side of a specimen, andthe Museum number, corresponding to a copy of the label in the Mu-seum register, has been painted on every specimen; when the fossils aretoo small to admit of this, they have been inclosed in a glass tube and thenumber i)ainted on it. The label contains the formation and locality, inaddition to the information given in this list. I have not attempted togive the different horizons at which the fossils occur, as these are oftenvery Hilcertain, except in a few instances in the Cretaceous, where theyliave been given according to Messrs. Meek, White, and Whitfield. Iam nnder obligations to Dr. 0. A. White, without whose knowledge ofthe collections it would have been impossible for me to identify manyof the types recorded here.LIST OF THE WORKS REFERRED TO.Bull. U. S. Geol. & Geogr. Surv. Terr. ^Bnlletin of the United States Geological andGeographical Survey of the Territories, F. V. Hayden, U. S. geologist in charge,Washington, D. C.iSuIL U. S. Geol. Surv. = Bulletin of the United States Geological Survey, Washing-ton, D. C.nth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr. = Eleventh Annual Report of theUnited States Geological and Geographical Survey of the Territories, Washing-ton, D. C.Geol. Surv. California, Geology, Vol. I = Geological Survey of California, Geology, "Volume I, Report of Progress and Synopsis of the Field-Work from 1860 to 1864,by J. D. Whitney, State geologist, Philadelphia, Pa.Pal. Upper Missouri, <^Smithsonian Cont. to Know. 172 = Palaeontology of the UpperMissouri, Smithsonian Contributions to Knowledge No. 172, Washington, D. C.Proc. Acad. Nat. Sci. Philad. == Proceedings of the Academy of Natural Sciences ofPhiladelphia, Philadelphia, Pa. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 291Proc. U. S. Nat. Mus. = Proceedings of the United States National Museum, Washing-ton, D.C.Eep. Expls. & Sui'vs. li. R. R. Mississippi River to the Pacific Ocean = Reports of Ex-l)lora1ious and Surveys to Ascertain the Most Practicable and Economical Routefor a Railroad from the Mississii)pi River to the Pacific Ocean, Washington,D. C.Hep. Expl. Great Basin of Utah, J. H. Simpson ==: Report of Explorations across theGreat Basin of the Territory of Utah for a Direct Wagon-Route from Camp Floydto Genoa, in Carson Valley, in 1859, by Capt. J. H. Simpson, Washington, D. C.Rep. Geogr. & Geol. Expl. & Surv. West 100th Meridian = Report upon Geographicaland Geological Explorations and Surveys West of the One Hundredth Meridian,in charge of First Lieut. George M. Wheeler, Washington, D. C.Kep. Geol. Black Hills of Dakota= Report on the Geology and Resources of the BlackHills of Dakota, J. W. Powell in charge, Washington, D. C.Rep. Geol. Eastern Uinta Mts., J. W. Powell ;= Report on the Geology of the EasternPortion of the Uinta Mountains and a Region of Country Adjacent Thereto, by J.W. Powell, Washington, D. C.Eep. Geol. Expl. 40th Parallel = Report of the Geological Exploration of the FortiethParallel, by Clarence King, U. S. geologist, Washington, D. C.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, Vol. IX= Report of the United StatesGeological Survey of the Territories, F. V. Hayden, U. S. geologist in charge, 4toseries, Washington, D. C.Rev. Foss. Ostreida) N. A. := A Review of the Fossil Ostreidse of North America, and aComparison of the Fossil with the Living Forms, by Charles A. White, in FourthAnnual Report of the Director of the United States Geological Survey, Wash-ington, D. C.Rev, Non Marine Foss. Moll = A Review of the Non-Marine Fossil Mollusca of NorthAmerica, by Charles A. White, in Third Annual Report of the Director of theU. S. Geological Survey, Washington, D. C.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr. = Twelfth Annual Report of the UnitedStates Geological and Geographical Survey of the Territories, by F. V. Hayden,U. S. geologist, Washington, D. C.U. S. & Mex. Bound. Survey, Vol. I =; United States and Mexican Boundary Survey,Report of William II. Emory, Washington, D. C.TRIASSIC SPECIES.Acrochordiceras hyatti Meek.Rep. Geol, Expl. 40th Parallel, vol. iv, part i, p. 124, pi. xi, figs. 5, a. Mus. No.12514.Arcestes ? White.12th Ann. Rep. U. S. Geol, & Geogr, Surv, Terr,, p. 117. Mus. No, 8194.Arcestes ? cirratus White,12th Ann, Rep. U. S. Geol. & Geogr. Surv, Terr,, p, 116, Mus, No. 8192,Arcestes gabbi Meek,Rep, Geol, Expl, 40th Parallel, vol, iv, part i, p. 121, pi. x, figs, 6, a. Mus. No, 12523.Arcestes ? perplanus Meek,Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 120, pi. xi, figs. 7, a. Mus. No. 12531.Aviculopecten ? altus White,12th Ann. Rep. U, S, Geol, & Geogr. Surv. Terr., p, 110, pi, xxxii, fig. 3a. Mus.No. 8189.Aviculopecten ? idahoeiisis (Meek) White.12th Ann. Rep. U. S, Geol, & Geogr. Surv. Terr,, p, 110, pi. xxxii, fig. 2a. Mus. No.8187. 292 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.TRIASSIC SPECIES?Continued.Aviculopecten ? pealei White.12tli Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 109, pi. xxxii, fig. 4a. Mu9.No. 8188.Clydonites laevidorsatus (Hauer sp.) Meek.Rep. Geol. Expl. 40tb Parallel, vol. iv, part i, p. 109, pi. x, fig. 7, a. Mus. No. 12522.Discina sp. und. Meek.Rep. Geol. Expl. 40tli Parallel, vol. iv, part i, p. 99, pi. x, figs. 3, a. Mus. No. 13387.Eutomoceras laubei Meek.Rep. Geol. Expl. 40tli I'arallel, vol. iv, part i, p. 126, pi. x, figs. 8, a. Mus. No. 12528.Gymnotoceras blakei (Gabb sp.) Meek.Rep. Geol. Expl. 40tb Parallel, vol. iv, part i, p. 113, pi. x, figs. 10, a,&; pi. xi,figs. 6, a. Mus. No. 12512.Gymnotoceraa rotelliforme Meek.Rep. Get)l. Expl. 40tb Parallel, vol. iv,part i, p. ill, pi. x.figs. 9, a. Mus. No.12526.Halobia (Daonella) lommeli (Wissuian) Meek.Rep. Geol. Expl. 40tb Parallel, vol. iv, part i, p. 100. (Marked as types by Meek,but are not the figured specimens. ) Mus. No. 12518.Meekoceras aplanatum White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 112, pi. xxxi, figs. \a-d. Mu8?No. 8185.Meekoceras gracilitatis White.Pith Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 115, pi. xxxi, figs. 2a-d. Mua.No. 8182.Meekoceras mushbachianum White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 114, pi. xxxii, figs. \a-d. Mus.No. 8186.Modiomorpha ? lata Meek.Rep. Geol. Expl. 40tli Parallel, vol. iv, part i, p. 103, pi. x, fig. 2. Mus. No. 12519kModiomorpha ? ovata Meek ?Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 103, pi. x, figs. 1, a. Mus. No. 1253.Orthoceras blakei (Gabb ?) Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 104, pi. x, fig. 11. Mus. No. 12516.Sphsera v7hitneyi Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 102, pi. x, figs. 4, a, b. Mus. No.12511. Fig. 4c. Mus. No. 12.524.Spirifera (Spiriferina ?) alia H. & Whitf.Rep. Geol. Expl. 40th Parallel, vol. iv, part ii, p. 281, pi. vi, fig. 17. Mus. No. 12671.Terebratula angusta (H. & Whitf.) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr. , p. 109. Mus. No. 8191.Terebratula humboltensis (Gabb) H. &. Whitf.Rep. Geol. Expl. 40th Parallel, vol. iv, part ii, p. 282, pi. vi, figs. 22-24. Mus. No.12533.Terebratula semisimplex White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 108, pi. xxxi, figs. 3a-c. Mus.No. 8190.Trachyceras judicaricum (Mojsisovics) Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 118, pi. xi, figs. 1, a. Mus. No. 12529.Trachyceras whitneyi (Gabb sp.) Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, p. 116, pi. xi, figs. 3, a. Mus. No. 12527. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 293JURASSIC SPECIES.Ammonites cordiformis Meek.Pal. Upper Missouri, . 375, pi. v, fig. 34 (by mistake marked 24 onthe plate). Mus. No. 12327.Thracia ? arcuata M. & H.Pal. Upper Missouri, <^Smithsonian Cont. to Know. 172, p. 102, pi. iv, fig. 8. Mus.No. 211.Thracia? sublaevis M. & H.Pal. Upper Missouri, <^Smitli8oniau Cont. to Know. 172, p. 102, pi. iv, figs. 4, a.Mus. No. 197.Trapezium bellefourchensis Whitf.Rep. Geol. Black Hills of Dakota, p. 364, pi. v, figs. 1-4. Mus. No. 12303.Trapezium subequalis Whitf.Rep. Geol. Black Hills of Dakota, p. 365, pi. v, fig. 6. Mus. No. 12317. Figs. 5,7, 8. Mus. No. 12329.Trigonla americana (Meek) White.r2th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 148, pi. xxxviii, figs, la, b.Mus. Nos. 7794, 7819.Trigonla conradl M. & H.Pal. Upper Missouri, <^Smith8onian Cont. to Know. 172, p. 83, pi. iii, fig. 11. Mus.No. 212.Trigonla montanaensls (Meek) White.12th Ann. Rep. U. S. Geol. & geogr. Surv. Terr., p. 147, pi. xxxviii, fig. 2a. Mus.No. 7817.Trigonia quadrangularls H. & Whitf.Rep. Geol. Expl. 40th Parallel, vol. iv, part ii, p. 293, pi. vii, fig. 22. Mus. No.12537.Unio nucalis M. & H.Pal. Upper Missouri, <^Smithsouian Cont. to Know. 172, p. 92, pi. iii, figs. 13a-c.Rev. Non-Marine Foss. Moll., p. 20 or 426, pi. iii, fig. 4. Mus. No. 196.Unio stewardi White.Non-Marine Foss. Moll., p. 20 or 426, pi. iii, fig. 1. Mus. No. 8849.Valvata ? scabrida M. & H.Pal. Upper Missouri, <^Smithsouian Cont. to Know. 172, p. 113, pi. iv, figs. 2a, b.Rev. Noa-Mariuo Fos.s. Moll., p. 64 or 470, pi. iii, fig. 7. Mus. No. 316.Volsella formosa M. & H.Pal. Upper Missouri, CRETACEOUS SPECIES?Continued.Ammonites leonensis Courad.U. S. & Hex. Bound. Surv., vol. 1, part 11, p. 160, pi. xvl, flgs. 2a, h. Mu8. No.9878.Ammonites?? mullananiis (M. & H.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr. , 4to, vol. Ix, p. 607, pi. viii, figs.la-c. Mus. No. 1*)24.Ammonites newberryanus Meek.Bull. U. S. Geol. &. Googr. Surv. Terr., vol. ii, No. 4, p. 367, pi. iv, figs. 3, a, h. Mus.No. 12394.Ammonites placenta De Kay var. intercalaris (M. ?fe H.) White.Rep. Geogr. & Geol. Surv. west lOOtk Meridian, vol. iv, part 1, p. 202 (not figured).Mus. No. 8637.Ammonites pleurisepta Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 159, pi. xv, figs. la-c. Mus. No. 9888. * Ammonites texanus (Roemer) Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 159. Mus. No. 9893.Anchura (Drepanocheilus) americana (E. & S. sp.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 325, pi.xxxii, figs. 8a, h. Mus. No. 274.Anchura (Drepanocheilus) mudgeana White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 312, pi. vii, figs. 3a, h. Mua.No. 80S6.Anchura (Drepanocheilus) nebrascensis (E. ?fe S. sp.) Whilf.Rep. Geol. Black Hills of Dakota, p. 429, pi. xii, figs. 2, 3. Mus. No. 12309.Anchura (Drepanocheilus) nebrascensis (E. & S. sp.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 326, pi. xix, figs.5a-c. Mus. No. 288.Anchura (Drepanocheilus) prolabiata White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 313, pi. vii, fig. 2a. Mus. No.8069.Anchura (Drepanocheilus) ruida White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 312, pi. vii, figs. 4a, I. Mus.No. 8078.Anchura ? fusiformis (Meek) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 190,.pi. xviii, fig. 4a. Mus. No. 8648.Anchura? fusiformis Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 160, [pi. xv, figs. 2, a]. Mus. No.12429.Anchura haydeni White.Cret. No. 4. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 311, pi. vii, fig. la.Mus. No. 8054.Anchura? parva Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 328, pi. xix,figs. 4a, 1). Mus. No. 284.Anchura? sublevis (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol, & Geogr. Surv. Terr., 4to, vol. ix, p. 327, pi. xix, figs.3a, h. Mus. No. 276.Anchura? sublevis (M. &. H.; Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 428, pi. xii, fig. 6. Mus. No. 12344. * Not the figured specimen, hut marked as a type hy T. A. Conrad. 300 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [18S5,CRETACEOUS SPECIES?Continued.Ancyloceras jenneyi Whitf.Crct. No. 4. Rep. Geol. Black Hills of Dakota, p. 452, ]}}. xvi, figs. 7-9. Mus. No.12295.Ancyloceras tricostatus Whitf.Crct. No. 4. Rep. Geol. Black Hills of Dakota, p. 454, pi. xv, figs. 7, 8. Mus. No.12287.Ancyloceras? uncum (M. & H.) Meek.Cift. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 409, pi. xxi, figs.la, h. Mus. No. 387.Jinisoniyon alveolus (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 292, pi. xviii,figs. 4a, 1). Mus. No. 247.Anisomyon alveolus (M. ?fe H.) Whitf.Crct. No. 4. Rep. Geol. Black Hills of Dakota, p. 433, pi. xii, fig. 20. Mus. No. 12278.Anisomyon borealis (Morton sp.) Whitf.Cret. No. 4. Rep. Geol. Black Hills, of Dakota, p. 436, pi. xii, fig. 23. Mus. No. 12254.Anisomyon borealis (Morton sp.) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 193, pi.xviii, figs. 9fl, i. Mus. No. 8649.Anisomyon borealis (Morton sp.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 288, pi. xviii,figs. 9a-e. Mus. No. 248.Anisomyon centrale (M. & 11.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 289, pi. xviii,figs. 7a-c. Mus. No. 245.Anisomyon centrale (Meek) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 194, pi.xviii, figs. 8a, h. Mus. No. 8659.Anisomyon centrale (Meek) White.Cret. No. 5. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 303, pi. ix, figs.la-d. Mus. No. 12430.Anisomyon patelliformis (M. ?&, H.) Meek.Cret. No8. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 290, pi. xviii,figs. 5fl-c [?],/. Mus. No. 246.Anisomyon patelliformis (M. & H.) Whitf.Cret. No. 2. Rep. Geol. Black Hills of Dakota, p. 435, pi. xii, figs. 17, 18. Mus. No.12268.Anisomyon sezsulcatus (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 293, pi. xviii,figs. 8a, h. Mus. No. 249.Anisomyon subovatus (M. ?fe H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 291^ pi. xviii,figs. 5d, 6. Mus. No. 244.Anisomyon subovatus (M. & H.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 434, pi. xii, fig. 19, Mus. No.12298.Anomia concentrica Meek.Rep. Expl. Great Basin of Utah, J. H. Simpson, p. 359, pi. iv, fig. 3. Mus. No. 489.Anomia ? obliqua (M. & H.) Meek.Cret. No. 3. Rep. U. S. Geol. & Geogr. Surv. Terr. , 4to, vol. ix, p. 22, pi. ix, fig. 2.Mus. No. 241.Anomia propatoris White.12th Ann. Rep U. S. Geol. &. Geogr. Surv. Terr., p. 14, pi. xii, figs. 15a, 6. Rev.Non-Marine Foss. Moll., p. 16 or 422, pi. v, figs. 6, 7. Mus. No. 7874. leSo.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 301CRETACEOUS SPECIES?Continued.Auomia raetiformis Meek.Cret. No. 5. Kep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 141, fig. 1 on p. 141.Mns. No. 8047.Anomia ? subtrigonaUs (M. & H.) Meek.Cret. No. 4. Kep. U. S. Geol. &. Geogr. Surv. Terr., 4to, vol. ix, p. 22, pl.xvi, figs. 4a^b. Mus. No. ;W\Aporrhais biangulata (M. & H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Snrv. Terr,, 4to, vol. ix, p. 322, pi. xix,figs. 6?-c ; fig. 37 on page 322. Mns. No. 275.Aporrhais meeki Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 426, pi. xii, fig. 5. Mus. No. 12334.Aptychus cbeyennensis (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix,p, 438, pi. xxxv, figs,3d, f-i. Mus. No. 386.Area ? equilateralis Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii. No. 4, p. 357, pi. ii, figs. 6, a. Mus.No. 12386.Area subelongata Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 148, pi. vi, figs. 3a, i. Mus. No. 9846.Astarte evansi (H. & M. sp.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 413, pi. xi, fig. 13. Mus. No, 12343.Astarte tezana Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 152, pi. v, fig. 9. Mus. No. 9829,Avicula (Pseudoptera) propleura (Meek) White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 281, pi. x, figs. 2b-c. Mus. No.7788.Axinaea subimbricata (M, & H,) Meek.Cret, No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 95, pi. xxviii, figs.Ub-d. Mns. No, 309,Axinea wyomingensis Meek.Rep.Geol. Expl. 4Uth Parallel, vol. iv, part i, p, 149, figs. 2, 3, on p. 150. Mus. No, 8045.Baculites asper (Morton ?) Meek,Cret. No. 5. Rep. U, S. Geol, & Geogr. Surv, Terr., 4to, vol, ix, p. 404, pi. xxxix, figs.lOa-d. Mus. No. 178,Baculites compressus (Say) Meek,Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p, 400, pi, xx,figs. 3a-c. Mus. No. 378.Baculites grandls (H. & M.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p, 398, pi, xxxjii,figs. la-c. Mus. No, 380,Baculites occidentalis Meek.Bull. U, S. Geol. & Geogr, Surv. Terr., vol, ii. No. 4, p. 366, pi. iv, figs, 1, a, i.Mus. No, 1363,Baculites ovatus (Say) Meek,Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 394, pi. xx,^figs. ?Sa-c. Mus, No, 374,Baculites ovatus (Say) White,Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p, 199, pi.xix, figs, ba-c, Aa-c. Mus, Nos, 8630, 8631,Barbatia barbatula White.12th Ann. Rep. U. S. Geol. ?fc Geogr, Surv. Terr,, p. 19, pi. xi, fig. 5a. Mus. No.8071. 302 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES-Coutinued.Barbatia coalvillensis White.nth Auu. Rep. U. S. Geol. & Geogr. Siirv. Terr., p. 286, pi. vi, figs. 2a, b. Mus.No. 8067.Baroda subelliptica White.Cret. No. :>. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 294, pi. x, figs.4a-d. Mus. No. 8048 bis.Baroda wyomingensis (Meek) White.Cret. No. 5. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr,, p. 293, pi. x, figs.3a, h. Mus. No. 1939.Beaumoutia ? solitaria White.Cret. No. .5. 12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 8, pi. xii, fig. 13c.Mus. No. 8079.Belemnitella bulbosa (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 504, pi. xxxiii,figs. 2c-e. Mus. No. 412.Buccinopsis parryi Conrad.U. S. & Mox. Bound. Surv., vol. i, part ii, p. 158, pi. xiii, figs. 5a, b. Mus. No.9881.Buchlceras s'wallovi (Shumard sp.) White.Rep. U. S. Geogr. & Geol. Expl. & Surv. west of 100th Meridian, vol. iv, part i, p.202, pi. XX, figs. la-c. Mus. No. 8628.Callista (Aphrodina?) tenuis (H. & M.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 188, pi. v, figs.la-d. Mus. No. 232.Callista (Dosiniopsis) de-weyi (M. ?fe H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 182, pi.xvii, figs. 15a-e. Mus. No. 341.Callista (Dosiniopsis) nebrascensis (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol.ix, p. 184, fig. 15 onp. 184. Mus. No. 1938.Callista (Dosiniopsis) orbiculata (H. & M.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 186, pi. v, figs.2a-c. Mus. No. 231.Callista (Dosiniopsis) ovwenana (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 183, pi. xxxvii,fig. 1. Mus. No. 176.Callista ? pellucida (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 187, pi. xvii,figs. lOa-e. Mus. No. 418.Camptonectes platessa White.Rep. Geogr, & Geol. Expl. & Surv. west of 100th Meridian, vol. iv, part 1, p. 176,pi. xvii, fig. 5a. Mus. No. 8643.Cantharus ? julesburgensis White.Cret. No. 5. Proc. U. S. Nat. Mus., vol. iv, p. 138, pi.? , figs. 1, 2. Mus. No. 12494.Cantharus (Cantharulus) vaughani (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 379, pi. xxxii,figs. 5a, b; fig. 48 on p. 379. Mus. No. 255.Caprina oocidentalis Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 147, pi. ii, figs. la-c. Mus. No. 9840. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 303CRETACEOUS SPECIES?Continued.Caprina planata Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 147, pi. li, figs. 2a, b. Mu.s.No.9891.Capsa texana Conrad.U. S. & Mox. Bound. Surv., vol. i, part ii, p. 1G4, pi. xxi, fig. G. Mus. No. 12496.Cardita eminula Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 150, pi. vi, fig. 8. Mus. No. 9847.Cardita subtetrica Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 164, pi. xxi, fig. 5. Mus. No. 9828.Cardium congestum Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 149, pi. vi, figs. 5a-d. Mus. No. 9882.Cardium (Criocardium) speciosum (M. ?S6 H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 169, pi. xxxvii,figs. 4a-c. Mus. No. 190. ( Ethmocardium White.)Cardium curtum (M. & H.) Meek.Geol. Expl. 40th Parallel, vol. iv, part i, p. 151, pi. xv, fig. 3. Mus. No. 7855.Cardium ? kansasense Meek.Cret. No. 1. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 170, pi. ii, figs.14a, b. Mus. No. 7905.Cardium mediale Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 149, ])l. iv, figs. 4a, b, Mus. No.9860.Cardium (Protocardia) fllosum Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 150, pi. vi, figs. 7a, b. Mus. No. 9868.Cardium (Protocardia) multistriatum (Shumard) Conrad.U. S. & Mex. Bound. Surv., vol.i, part ii, p. 149, pi. vi, figs. 4a-c. Mus. No. 9858.Cardium (Protocardia) texanum Conrad.U. S. & Mex. Bound. Surv., vol. i.part ii, p. 150, pl.vi, figs. 6a-c. Mus. No. 9884.* Cardium pauperculum (Meek) White.Cret. No. 2. 11th Ann. Rep. U. S. Geol.& Geogr. Surv. Terr., p. 291. Mus. No. 7832.Cardium subcurtum Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 152, pi. xv, fig. 3a. Mus. No. 12448.Cardium trite White.nth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr. , p. 291, pi. v. fig. 4b. Mus. No. 8060.Caryophyllia egeria White.nth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 275, pi. vi, figs. 7a, b. Mus. No.8083.Caryophyllia johannis White.Cret. Nos. 4,5? 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 274, pi. vi, figs.6a, b. Mus. No. 8084.Cassiope vrhitfieldi White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 196, pi.xviii, fig. la. Mus. No. 8633.Cerithiopsis moreauensis Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 335, pi. xxxi,fig. 4; p. 336, fig. 38. Mus. No. 293.Chaetetes ?? dimissus White.Cret. No. 5. 12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 7, pi. xii, fig. 14a.Mus. No. 8080. " g I* Not the figured specimen, but marked as a type by C. A. White. 304 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES?Continued.Chemnitzia cerithiformis Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr.,4to, vol. ix, j). 339, pl.xxxii,iigs. 10a, b. Mas. No. 263.Chlamys nebrascensis (M. & H.) Meek.Cret. Nos. 4, .'i. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 25, pi. xvi,tigs. Ga-c. Mas. No. 358.Closteriscus tenuilineatus (H. & M, s-p.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Snrv. Terr., 4to, vol. ix, p. 308, pi. xix, figs.10a, h, 9c. Mas. No. 260.Corbicula nucalis Meek.Cret. No. 1. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 163, pi. ii, figs.5a-c. Mus. No. 7898.Corbula crassimarginata (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, -p. 244, pi. xvii, figs.14a-c. Mus. No. 299.Corbula nematophora (Meek) White.Rep. Geogr. & Geol.Expl. & Surv. west of 100th Meridian, vol.iv, part i, p. 188,pi. xvii, figs. 7a-c. Mus. No. 8662.Corbula nematophora (Meek) White.nth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 290, pi. iii, figs. 4a-d. Mus.Nos. 7830, 7891.Corbulamella gregaria Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix, p. 247, pi. xvii,figs. 13a-^. Mus. No. 355.Crassatella cimarronensis While.Cret. No. 5. 11th Ann. Rep. U. S. Geol. &, Geogr. Surv. Terr., p. 287, pi. v, figs. '3a-e. Mus. No. 8053.Crassatella (Pachythaerus) evansi (H. & M.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. ferr., 4to, vol. ix, p. 117, pi. xvii,figs. 6a-il. Mus. No. 322.Crassatella subquadrata Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 412, pi. xi, fig. 12. Mus. No. 12301.Crenella elegantula (M. & H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 75, pi. xxviii,figs. 6a-c. Mus. No. 1925.Cucullaea(Idonearca?) cordata (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 89, pi. xxix,figs. 6a, b. Mus. No. 430.Cuculleea (Idonearca) nebrascensis (Owen) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 88, pi. xxix, figs.Ga, b. Mus. No. 442.CucuUaea (Idonearca) shumardi (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 86, pi. xxviii,figs, \5a-g ; pi. xxix, tig. 4. Mus. No. 443.CucuUaea terminalis Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 148, pi. iv, figs, la, b. Mus. No. 9890.CucuUaea (Trigonarca?) obliqua Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i. p. 148, pi. xiv, figs. 1, a. Mus. No. 7849.CyUchna scitula Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 276, pi. xxxi, figs.3a, b. Mus. No. 282. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 305 ^'T^./?l!Vol. VIII, No, 20. Waishin^ton, D. C. Aug.^7, 1885.CRETACEOUS SPECIES-Continned.Cylichna? volvaria M. &, H.Cret. No. 5. Rep. U. S. Geol. Sc Geogr, Surv. Terr., 4to, vol. ix, p. 275, pi. xxxi, figs.2a, 1). Muf^.No.aei.Cyphosoma texanum (Rcpnier) Conrad.U. S. &. Mex. Bomul. Surv., vol. i, part ii, p. 145, pi. i, fig. 3c? Mus. No. 9838.Cyprimeria? subalata Meek.Rep. Geol. Expl. 40tli Parallel, vol. iv, part, i, p. 158, pi. xv, fig. 7. Mus. No. 7848.Cyprimeria ? tenuis Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii, No. 4, p. 361, pi. ii, fig. 5. Mns. No.1319.Cypriua ovata (M. &. H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 146, pi. xxix, figs. 7a-c;tig. 8, p. 146. Mus. No. 306.*Cyrena carletoni (Meek) White.12th Auu. Rep. U. S. Geol. ?Sr Geogr. Surv. Terr., p. 20. Mus. No. 7877.Cyrena dakoteusis (M. ?fe H.) Meek.Cret. No. 1. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 159, pi. 1, figs.la-d, f. Rev. Non-Marine Foss. Moll., p. 30 or 436, pi. iv, figs. 3, 4. Mus.Nos. 192, 7901.Cyrena ? holmesi Meek.Cret. No. 5. Bull. U. S. Geol. & Geogr. Surv. Terr., vol. i (2d ser.), No. 1, p. 45(not figured). Mus. No. 7840.Cyrena inflexa (Meek) White.11th Ann. Rep. U. S. Geol. &. Geogr. Surv. Terr., p. 290 pi. x, figs. 7a, i. Mus. No.7822.Cyrena securis (Meek) White.nth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 289, pi. ill, figs. 2a-c. Mus.No. 8073.Cytherea leonensis Conrad.U. S. Mex. Bound. Surv., vol. i, part ii, p. 153, pi. vi, fig. 1. Mus. No. 9853.Cytherea nnttalli Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 162, pi. iv, fig. 5. Mus. No. 9905.Cytherea texana Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 153, pi. vi, fig. 2. Mus. No. 9850.Dentalium gracile (H. &,M.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 438, pi. xii, fig. 26. Mus. No.12299.Dentalium gracile (H. ?fc M.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 266, [pi. xviii, figs.13a-fZ]. Mus. No. \Dentalium komooksense Meek.Bull. U. S. Geol. ?fc Geogr. Surv. Terr., vol. ii, No. 4, p. 364, pi. iii, fig. 6. Mus. No.4270.Dosinia missouriana (Morton sp.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 416, pi. xi, figs. 25, 26. Mus*No. 12249.Endocostea sulcata (Rcemer sp.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 404, pi. x, fig. 6. Mus. No. 12323. * Not the figured specimen, but marked as a type by Dr. C. A. White.Proc. Kat. Mus. 85 20 306 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES?Continued.Endocostea typica Whitfield.Civt. No. 4. Rep. Geol. Black Hills of Dakota, p. 403, pi. ix, figs. 1-C. Mus. No.122G1.Entalis? paupercula (M. & H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 269, pi. xviii,figa4. Mus. No. 311. %Eriphyla gregaria (M. & H.) Meek.Crvt. No. 4. Rep. U. S. Geo]. & Geogr. Surv. Terr., 4to, vol. ix, p. 124, pi. xvii. figs.9a, J) ; figs. (3, 7, on p. 124. Mus. No. 332.Ethmocardium speciosum (M. &, H. sp.) White.Proc. U. S. Nat. Mus., vol. ii, p. 291 (types of subgenus). Mus. No. 8049.Eulimella? chrysallis (Meek) White.12th Anu. Rep. U. S. Geol. &. Geogr. Surv. Terr., p. 32, pi. xii, fig. 4a. Mus. No. 7869.Eulimella? funicula (Meek) White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 316, pi. ix, fig. 10a. Mus. No. 7881.Eulimella? inconspicua (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 33, pi. xii, fig. 5a. Mus. No. 7871.Euspira utahensis White.Cret. No. 4 or 5. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 310, pi. iv, figs.2a, b. 12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr,, p. 29. Mus. No. 8068.Exogyra arietina (Rcemer) Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 153, pi. vii, figs. Ic-e. Mus. No. 9866.Exogyra costata (Say) Conrad.U. S. & Mex, Bound. Surv., vol. i, part ii, p. 154, pi. ix, figs. 2a, h; pi. x, fig. 1.Mus. No. 9879.Exogyra costata (Say) var. fluminis White.Rep. U. S. Geogr. &. Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 174, pi,xvii, figs. 3c, rf. Mus. No. 8654.Exogyra fimbriata Conrad.U. S. ?fcMex. Bound. Surv., vol. i, part ii,p. 154,pl. vii,figs.2, a, 6. Mus. No. 9864.Exogyra forniculata White.Proc. U. S. Nat. Mus., vol, ii, p, 293, pi. iv, figs, 3, 4, Rev, Foss, OstreidseN, A.,p. 305, phlii, figs. 1, 2, Mus. No. 8022.Exogyra fragosa Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 155, pi. viii, figs. 2a, i. Mus. No. 9844.Exogyra laeviuscula (Rcemer) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 173, pi.xvii, fig. 2a. Mus. No. 8646.Exogyra matheroniana (d'Orbigny) Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 154, pi. viii, figs. la-c. Mus. No. 9883.Exogyra ponderosa (Roeraer) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 172, pi. xiv,figs. la-c. Mus. No. 13417.Exogyra "winchelli White.Proc.U. S. Nat. Mus., vol. ii, p. 294, pi. ii, figs. 1, 2; pi. iii, figs. 1, 2. Rev. Foss.Ostreidie N. A., p. 307, pi. Iii, figs. 6, 7 ; pi. iv, figs. 1, 2. Mus. No. 8021.Pasciolaria buccinoides (M. & H. ) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 358, pi. xxxi, ?g8Qa-d. Mns. No. 272.Fasciolaria? (Cryptorhytis) cheyennensis Meek.Cret, No, 4. Rep. U. S. Geol. & Geogr. Surv. Terr,, 4to, vol. ix, p. 365, pi. xix, figs.ISo, b. Mus. No. 289. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 307CKETACEOUS SPECIES?continued.Fasciolaria (Cryptorhytis) contorta (Meek sp.) Wliitf.Cret. Nos. 4, 5. Kep. Geol. Bhick Hills of Dakota, \k 422, j)!. xii, fig. 10. Mus.No.12250.Fasciolaria ? (Cryptorhytis) flexicostata (M. & H. sp.) Meek.Cret. No. 4. Rej). U. S. (icol. & Ccogr. Snrv. Terr., 4to, vol. ix, p. 307, pi. xix, fig. 2.MuH. No. 2(i2.Fasciolaria (Piestocheilus) alleui White.12tli Ann. llc\). U. S. Geol. &. Geogr. Surv. Terr., p. 34, pi. xii, fig. la. Mus. No. 8046.Fasciolaria (Piestocheilus) culbertsoni Meek.Cret. No. 5. Rep. (J. iS. (iei)l. Snrv. Terr., 4to, vol. ix, p. 360, pi. xxxii, tigs. la-/.Mus. No. 25?.Fasciolaria (Piestocheilus) culbertsoni (M. & H.) Wbitf.Cret. Nos. 4, 5. Rep. Geol. Ulaek Hills of Dakota, p. 423, i)l. xii, fig. II. Mu8.No. 12204.Fasciolaria (Piestocheilus ?) galpiniana Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 362, 1)1. xxxii,figs. 2a, b. Mus. No. 287.Fasciolaria (Piestocheilus) Scarborough! Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 359, pi. xxxii, figs.4, a-d. Mus. No. 259.Fusus c^eyennensis Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 424, pi. xii, fig. 9. Mus. No. 12304.Fusus (Neptunea?) gabbi (Meek) White.11th Anu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 317, pi. ix, fig. 9a. Mus. No.788(i.Fusus (Serrifusus) dakoteiisis Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 374, i)l. xxxi, fig.lid. Mus. No. 2.56.Fusus ? (Serrifusus) dakotensis (M. ?fc H.) Meek.Cret. No. 5. Rep. U. S. Geol. &- Geogr. Surv. Terr., 4to, vol. ix, p. 374, pi. xxxii,tigs. Oa, b. Mus. No. 256.Fusus ? (Serrifusus) dakotensis var. Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 375, pi. xxxii,fig. 7a. Mus. No. 256.Fusus shumardi (M. & H.) Wbitf.Cret. No. 2. Rep. Geol. Black Hills of Dakota, p. 424, pi. xii, figs. 7, 8. Mus. No.12305.Fusus? utahensis (Meek) White.12th Anu. Rep. U. S. Geo!. & Geogr. Surv. Terr., p. 34, pi. xii, fig. 2a. Mus. No. 7885.Gervillia mudgeana White.12th Ann. Rep. U. S. Geol. &. Geogr. Surv. Terr., p. 16, pi. xiv, figs. 3a, i. Mua.No. 8023.Gervillia subtortuosa (M. ?& H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 65, pi. xvi, figs.7a-c. Mus. No. 356.Glycimeris berthoudi White.Cret. No. 3 or 4. Uth Anu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 299, pi. vi, figs,la, b. Mus. No. 8i?51.Glycimeris occidentalis (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 250, pi. xxxix,figs. 9a, b. Mus.No. 180.Goniomya americana (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 221, pi. xxx, figs.12a, b. Mus. No. 432. 308 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES?Continued.Goniomya borealis Meek.Bull. U. S. Geol.& Geogr.Surv. Terr., vol. ii, No. 4, p.3fi2, pl.ii, fig. 2. Mus.No-12397.Grammatodon ? vancouverensis Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii. No. 4, p. 356, pi. iii, figs. 5, a. Mua^No. 12398.Gryphaea pitcheri (Morton) Conrad.U. vS. Sc Mex. Bound. Surv., vol. i, part ii, p. 155, pi. vii, figs. 2a-d. Mus. No. 9880,Gryphaea pitcheri var. (Morton) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 171, pi-xvii, figs. la-/". Mus. No. 8653.Gryphaea vesicularis (Lamk. ?) Meek.Cret. No. 4. Rep. U. S. Gfol. & Geogr. Surv. Terr, 4to, vol. ix, p. 20, pi. xi, figs. 2a-c; pi. xvi, figs, fta, i. Mus. No. 328.Gyrodes couradi Meek.Cret. No. 2 ? Rep. U. S. Geol. Surv. Terr., 4to, vol. ix, p. 310, figs. 33-36. Mus. No^12459.Gyrodes depressa Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, p. 159, pi. xv, figs. 1, a. Mus. No. 7856.Hamites larvatus Conrad.U. S. & Mex. Bound. Surv., vol. i, p.art ii, p. 165, pi. xxi, fig. 8. Mus. No. 9869.Haminea occidentalis Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 271, pi. xviii^figs 11a, b, 12a, b. Mus. No. 278.Haminea minor Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 273, pi. xxxi, figs,la, b. Mus. No. 280.Haminea subcylindrica Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 272, pi. xviii^figs. 10a, b. Mus. No. 279.Haminea subcylindrica (M. & H.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 437, pi. xii, fig. 24. Mus. No. 12255.Helicoceras mortoni (H. & M.) var. tenuicostatum Meek.Cret. No. 4. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 487, pi. xxii, figs. 3o-0.Mus. No. 473.Helicoceras parieuse White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 203, pi.xix, figs. 2a-d. Mus. No. 8638.Helicoceras stevensoni Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p.447, pl.xiv, figs. 5-8. Mus. No.l2307.Hemiaster humphreysauus MeeK.Cret. No. 4. Rtp. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 5, i)l. x, figs. la-^.Mus. No. 331.Heteroceras ? angulatnm (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix. p. 484, pi. xxi, figs. 'ia-c. Mus. No. 474.Heteroceras ? cheyennense (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 483, pi. xxi, figs.2a, b. Mus. IS o. 470.Heteroceras cooperi (Gabb sp.) Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii. No. 4, p. 367, pi. iii, figs. 7, a. Mus.No. 1350. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 309CRETACEOUS SPECIES?Continued.Heteroceras ? nebrascense (M. & H.) Whitf.Cret. No. 4. Rep. Gool. Black Hills of Dakota, p. 451, pi. xv, fig. 6. Mus. No. 12298.Heteroceras ne'wtoni Whitf.Rep. Geo], Black Hills of Dakota, p. 449, pi. xv, figs. 1-4. Mus. No. 12288.Heteroceras tortum (M. & H.) Meek.Ciet. No. 4. Rep. U. S. Geol. ?&. Geogr. Surv. Terr., 4to, vol. ix, p. 481, pi. xxii, figs.4a-c. Mus. No. 471.Heteroceras? umbllicatum (M. ?& H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 482, pi. xxii, fig.5. Mus. No. 472.Idonearca depressa White.Rep. Geogr. & Geol. Expl. & Surv. west of 100th Meridian, vol, iv, parti, p. 183,pi. xviii, figs. 13a, b. Mus. No. 8645.Idonearca shumardi(M. & H.) Whitf.Cret. No. 5. Rep. Geol, Black Hills of Dakota, p. 405, pi. xii, figs. 8-11. Mus, No.12257.Inoceramus Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol, ii, No. 4, p. 359, pi. i, fig. 6. Mus. No.12507.Inoceramus altus (M. ?& H.) Whitf.Cret. No. 2. Rep. Geol. Black Hills of Dakota, p. 391, pi. ix, fig. 11, Mus. No, 12285.Inoceramus altus Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 43, pi, xiv, figs.l,a,b. Mus. No. 12462.Inoceramus balchii (M. ?fe H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 56, pi. xv, figs, la,i. Mus. No. 484.Inoceramus barabini (Morton) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 398, pi. vii,fig.7; pl.ix,fig. 8.Mus. No. 12286.Inoceramus barabini (Morton) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 181.Mus. No. 8626.Inoceramus barabini (Morton) White.Rep. U. S. Geogr. &, Geol. Surv. west of 100th Meridian, vol. iv, part 1, p. 180, pi.xvi, fig. 4a. Mus. No. 8621.Inoceramus barabini (Morton) Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol, ii. No, 4, p. 358, pi. iii, figs. 2, a.] Mus.No. 1262.Inoceramus cripsii (Mantell) Conrad.U. S. & Mex. Bound, Surv., vol. i, part ii, p. 152 (not the figured specimen). Mus.No. 9892.Inoceramus cripsii ? var. barabini (Morton) Meek.Cret. No, 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 49, pi. xiii, figs,la-c. Mus. No. 477.Inoceramus cripsii ? var. subundatus Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii. No. 4, p. 358, pi. iii, figs. 1, a, 3, a, Mus.Nos. 1261, 1348.Inoceramus deformis (Meek) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol, iv, part i, p. 179, pi.XV, fig. la. Mus. No. 8624. 310 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES?Continued.Inoceramtis dimidius White.Rep. U. S. Geojrr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 181, pi.x\i, tigs. '-ia-d. Mus. No. 8622.Inoceramus erectus Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 145, pi. xiii, figs. 1, a; pi. xiv^fig. 3. Mus. No. 7850.Inoceramus exogyroides (M. ?&, H.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 46, pi. v, figs.3a-c. Mus. No. 2038.InoceraiQus flaccidus White.Rep. U. S. Geogr. &, Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 178^pi. xvi, fig. la. Mus. No. 8618.Inoceramus fragilis (H. &, M.) Meek.Cret. No. 2. Rep. U. S. Geol. ?fe Geogr. Surv. Terr., 4to, vol. ix, p. 42, pi. v, fig. 5.Mns. No. 228.Inoceramus fragilis (H. & M.) Whitf.Cret. No. 2. Rep. Geol. Black Hills of Dakota, p. 390, pi. ix, fig. 10. Mus. No. 12273.Inoceramus fragilis (H. & M.) White.Rep. Geogr. & Geol. Expl. &, Surv. west of 100th Meridian, vol. iv, part i, p. 178,pi. XV, fig. 3a. Mus. No. 8625.Inoceramus gilberti White.Cret. No. 5. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 285, pi. iii, figs.la-c. Mus. No. 8050.Inoceramus howelli White.Cret, No. 5. 1 Ith Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 284, pi. iv, figs. la-o.Mus. No. 8052.Inoceramus mytilopsis Conrad.U. S. & Mex. Bound. Surv., vol. ii, part ii, p. 152, pi. v, fig. 66. Mus. No. 9839.Inoceramus oblougus (Meek) White.Cret. No. 4. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 285, pi. ii, figs.la, i. Mus. No. 774.Inoceramus perplexus Whitf.Cret. No. 2. Rep. Geol. Black Hills of Dakota, p. 392, pi. viii, fig. 3; pi. x,fig.5.Mus. No. 12274. PI. x, fig. 4. Mus. No. 12263.Inoceramus pertenuis (M. & H. ) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 47, pi. xxxvii, figs.3a, b ; pi. xxxviii, figs. 3a, 6. Mus. No. 182.Inoceramus problematicus (Schlot. sp.) Whitf.Cret. No. 2 or 3. Rep. Geol. Black Hills of Dakota, p. 389, pl.vii, fig. 11. Mus.No. 12281.Inoceramus problematicus (Schlot. sp.) Meek.Cret. No. 3. Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix, p. 62, pi. ix, fig. 3a.Mus. No. 237.Inoceramus problematicus (Schlot. sp.) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 177, pi.xvi, fig. 3a. Mns. No. 8620.Inoceramus problematicus (Schlot. sp.) Meek.Rep. Expl. Great Basin of Ut.ah, J. H. Simpson, p. 358, pi. iv, fig. la. Mus. No. 488.Inoceramus problematicus var. aviculoides (M. & H.) Meek.Cret. No. 3. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 63, pi. ix, fig. 4.Mus. No. 242. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 311CRETACEOUS SPECIES?Continued.Inoceramus proximus ? var. subcircularis Meek,Crot. No. 4. Kep. U. S. (Jeol. & Geogr. Surv. Terr., 4to, vol. ix, p. 5.'), pi, xii, figs.?*^b. Mas. No. 479.Inoceramus proximus (Tiiomey) Meek.Cret. No. 4. Kep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 53, pi. xii, fig8.7?,b. Mus. No. 481.Inoceramus sagensis (Owen) Whitf.Cret. No. 4. Rep. Geol. IJlack Hills of Dakota, p. 439, pi. vii, tig. 12 ; pi. viii, fig.2LMu8. No. l-SSUi.Inoceramus sagensis var. nebrascensis (Owen) Meek.Cret. No. 4. Kep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p,52, pi. xiii, figa.2a, h. Mus. No. 485.Inoceramus simpsoni (Meek) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 395, pi. viii, fig. 1. Mus. No.Inoceramus simpsoni? (Meek) Whitf.Cret. No. 4. Kep. Geol. Black Hills of Dakota, p. 395, pi. ix, fig. 9. Mus. No. 12275.Inoceramus subleevis (H. ?fe M.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 393, pi. x, figs. 1-3. Mus. Nos.1227G, 12277.Inoceramus tenuilineatus (H. & M.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 400, pi. ix, figs. 12, 13. Mus. No.12314.Inoceramus tenuirostris (M. & H.) Meek.Cret . No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 59, fig. 5 on p. 59.Mus. No. 190H.Inoceramus texanus Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 152, pi. v, fig. 7. Mus. No. 9874.Inoceramus undabundus (M. & H.) Meek.Cret. No. 2. Rep. U. S. Geol. ?& Geogr. Surv. Terr., 4to, vol. ix, p. 60, pi. iii, figs. 2a,h. Mus. No. 1909.Inoceramus umbonatus Meek.Cret. No. 2. Rep. II. S. Geol. ?fe Geogr. Surv. Terr., 4to, vol. ix, p. 44, pi. iii, figs, la,b ; pi. i V, figs, la, b. Mus. Nos. 480, 2039.Inoceramus vanuxemi (M. & H.) Whitf.Cret. No. 4. Rep. Geoi. Black Hills of Dakota, p. 396, pi. vii, figs. 8, 9. Mus. No.12296.Inoceramus vanuxemi (M. & H.) var. Whitf.Cret No. 4. Rep. Geol. Black Hills of Dakota, p. 398, pi. vii, fig. 10. Mus. No.12296.Inoceramus vanuxemi (M. &. H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 57, pi. xiv, figs. 2a,b. Mus. No. 483.Leptosolen conradi Meek.Cret. No. 1. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 253, pi. ii, figs. 12a,h. Mus. No. 7895.Leiopistha (Cymella) undata (M. & H.) W^hite.Rep. Geogr. & Geol. Expl. s()s. 4, 5. Rep. U. S. Geo!. ?fc Geogr. Surv. Terr., 4to, vol. ix, p. 97, pi. xxviii,ligs. Ua-c. Mus. No. 350.Xinearia ? formosa (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 199, pi. xxx, fig. 2,Mus. No. 396.Lingula subspatula (H. & M.) White.Rep. Geogr. & Geol, Expl. & Surv. west of 100th Meridian, vol. iv, j)art i, p. 169, pi.XV, fig. 4?. Mus. No. 8663.Liopistha (Cymella) undata (M. & H. sp.) Meek.Cret. No. 5. Kep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 187, pi. xxxix, figs,la, h. Mus. No. 187.Lispodesthes lingulifera White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 192, pi.xviii, figs. 2a, b. Mus. No. ?661. 'Lispodesthes nuptialis White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 192, pi.xviii, figs. 3a, b. Mus. No. 8660.Lispodesthes ? obscurata White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 30, pi. xi, figs. 7a, b. Mus. No.8076.Lucina cleburni White.Proc. U. S. Nat. Mus., vol. iv, p. 139, pi. facing p. 139, figs. 3, 4. Mus. No. 11469.Lucina (Diplodonta?) subundata (H. & M.) Wl:itf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 411, pi. xi, figs. 17, 18. Mus.No. 12252.Lucina occidentalis (Morton sp.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 409, pi. xi, figs. 19, 20. Mus.No. 12267.Lucina occidentalis (Morton sp.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 134, pi. xvii,figs. 4fl-c. Mus. No. 334.Lucina occidentalis (Morton sp.) var. ventricosa (M. & H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 135, pi.xvii, figs. 3a, b. Mus. No. 344.Lucina ventricosa (H. & M.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 410, pi. xi, figs. 14-16. Mus. No.12260.Lucina subundata (H. & M.) White.Rep. Geogr. & Geol. Expl. & Surv. west of 100th Meridian, vol. iv, part i, p. 184,1.1. xviii, fig. 12a. Mus. No. 8644.Lucina subundata (H. & M.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 133, pi. xvii,figs. 2, a-e. Mus. No. 345. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 313CRETACEOUS SPECIES?Continued.Iiunatia concinna (H. & M. sp.) Meek.Cret. Nos. 4, f). Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 314, pi. xxxii,ligs. lla-c. Mus. No. 264.Xunatia concinna (H. &. M. sp.) Whitf.Cret. No. 4. Rep. Geo). Black Hills of Dakota, p. 430, pi. xii, fig. 13. Mus. No.l-i250.Ijunatia occidentalis Meek.Cret. No. b. Rep. U. S. Geol. & Geogr. Surv. Terr.,4to, vol. ix, p. 315, pi. xxxii,figs. 12a-c. Mus. No. 290.Lunatia subcrassa (M. & H.) Meek.Cret. No. .5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 316, pi. xxxix,figs. '.ia-c. Mus. No. 2()5.Mactra? canonensis (Moek) White.llth Aim. Rt'p. U. S. Geol. &. Geogr. Surv. Terr., p. 297,4)1. ix, figs, lla-c. Mus.No. 7844.Mactra (Cymbophora) alta (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 210, pi. xxxvii,figs. 2a, b. Mus. Nos. 192, 2007.Mactra (Cymbophora ?) formosa (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. &. Geogr. Surv. Terr., 4to, vol. ix, p. 207, pi. xxxix,fig. 7. Mus. No. 177.Mactra (Cymbophora) nitidula (M. & H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 211, pi. xxx,figs. 6a-v. Mus. No. 1913.Mactra (Cymbophora) siouxensis (M. & H.) Meek.Cret. No. 1. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 206, pi. i, figs. 7&, c.Mus. No. 207.Mactra (Cymbophora) utahensis Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 155, pi. xv, figs. 9, a, h. Mus. Nos.7854, 12530.Mactra ? emmonsi Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 153, pi. xv, fig. 8. Mus. No. 12525.Mactra ? holmesi (Meek) White.llth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr. , p. 295, pi. vi, figs. 5a, h, 4a, 6. Mus.No. 8088.Mactra ? incompta White.Rep. Geogr. & Geol. P^xpl. & Surv. west of 100th Meridian, vol. iv, part i, p. 185,pi. xvii, figs. Ga, b. Mus. No. 8036.Mactra texana Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 148, pi. iv, figs, la, b. Mus. No. 9855.Mactra (Trigonella ?) arenaria Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 1.54, pi. xiv, fig. 5. Mus, No. 7853.Margarita mudgeana Meek.Cret. No. 1. Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix, p. 300, pi. ii, fig. 96.Mus. No. 7903.Margarita nebrascensis (M. & H. ) Meek.Cnt.No.4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 298, pi. xix, figs.8o, b, 9a, b. Mus. Nos. 294, 415.Margaritella flexistriata (E. & S. sp.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 302, pi. xix, figsll,a-rf. Mus. No. 286. 314 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES?Coutiinied.Martesia cuneata (M. &, H.) Meek.Cret. No. 5. Rep. U. S. Geo]. & Geogr. Surv. Terr., 4to, vol. ix, p. 259, pi. xxx. figs.8a, i. Mu8. No. 455.Melampus sp. ? (Meek) White.12tli Auu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 25, pi. xii, fig. 6a. Rev. non-ma-rine Foss. Moll. , p. 38 or 444, pi. v, fig. 17. Mup. No. 7890.Melampus ? antiquua (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 2:^, pi. xii, figs, lla-d. Rev,non-marine foss. nioli., p. 38 or 444, pi. v, figs. 13-16. Mus. No. 8085.Mesalia ? kausasensis Meek.Cret. No. 1. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 333, pi. ii, figs. 7a^b. Mus. No. 7899.Micrabacia americana Meek.Cret. No. 5. Rep. U. ^. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 1, pi. xxviii, figs, la^b. Mus. No. 456.Microstizia millepunctata Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 4, pi. xxviii, figs^2a-c. Mus. No. 300.Monopleura marcida White.Bull. U. S. Geol. Surv., No. 4, p. 96, pis. iii, iv. Mus. No. 12364.Monopleura pinguiscula White.Bull. U. S. Geol. Surv., No. 4, p. 96, pi. v. Mus. No. 12.365.Mortoniceras shoshonense Meek.Cret. No. 2. Rep. U. S. Geol. ?fe Geogr. Surv. Terr., 4to, vol. ix, p. 449, pi. vi, figs.3a-c, [6]i?. Mus. No. 1991.Mortoniceras? vermilionense (M. & H.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 450, pi. vii, figs.2a, b. Mus. No. 224.Mytilus subarcuatus (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 69, pi. xxxviii^figs. 2a, b. Mus. No. 354.Natica colliua Conrad.U. S. & Mex. Bound. Surv., vol, i, part ii, p. 157, pi. xiii, figs. 2a, b. Mus. No.9865.Natica tezana Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 157, pi. xiii, figs, la, b. Mus. No.9861.Nautilus campbelli Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii. No. 4, p. 373, pi. vi, figs. 2, a. Mus.No. 12461.Nautilus dekayi (Morton) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 496, pi. xxvii, figs. la-e. Mus.No. 390.Nautilus dekayi var. montauaensis Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 498, pi. xxvii^.figs. 2a, /). Mus. No. 392.Nautilus dekayi var. montanaensis (Meek) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 439, pi. xvi, figs. 10, 11. Mus.No. 12347.Nautilus elegans (Sowerby) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 499, pi. viii, figs.2a-c. Mus. No. 1912. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 315CRETACEOUS SPECIES?Coutimied.Neaera moreauensis (M. ?fe H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 239, pi. xvii^figs, lla-c. Mu8. No. 420.Neaera moreauensis (M. & H.) Whitf.Rep. Geol. Black Hills of Dakota, p. 420, pi. xi, fig. 31. Mus. No. 12272.Neaera ventricosa (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 238, pi. xxx, figs. ?Sa-e. xMu8. No. 419.Neithea occidentalis Conrad.U. S. & Mex. Bouud. Surv., vol. i, part ii, p. 150, pi. v, fig.s. la, b. Mus. No. 9872.Neithea texana (Rteuier) Conrad.U. 8. & Mex. Bound. Surv., vol. i, partii, p. 151 (not the figured specimen). Mus.No. 9a9C..Nemodou sulcatiuus (E. & S. sp.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 82, pi. xv,figs. Cm, h. Mus. No. 428.Nerinea schottii Conrad.U. S. ?fe Mex. Bound. Surv., vol. i, part ii, p. 158, pi. xiv, figs. 3a, h. Mus. No. 9873.Neritina bannisteri (Meek) White.I2th Auu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 25, pi. xii, figs. lOo-c. Mue. Nos.787C, 12487.Neritiua iucompta White.Cret. No. 5. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 308, pi. vii, figs.6a-c. Mus. No. 8093.Neritina pisiformis (Meek) White.12th Ann. Rep, U. S. Geol, & Geogr, Surv. Terr., p. 26, pi. xii, figs. 9a-c. Mus. No.7884.Neritina pisiformis (Meek) White.12th Ann. Rep, U, S, Geol, & Geogr. Surv. Terr,, p. 26, pi. xii, figs. 9a-c. Mus.No. 7884.Neritina pisum (Meek) White.11th Ann, Rep. U. S. Geol. & Geogr, Surv, Terr, , p. 308, pi. vii, figs, llo-c. Mus. No.7883.Neritina (Velatella) bellatula (Meek) White.12th Ann. Rep. U. S. Geol. Si, Geogr. Surv. Terr., p. 27, pi. xii, figs, 8a, h. Rev. non-Marine Foss. Moll., p. Wi or 458, pi. v, figs. 8, 9. Mus. No, 7872,Neritina (Velatella) carditoides (Meek) White,12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 28, pi. xii, fig. 7a. Rev, non-Marine Foss. Moll., p. 52 or 458, pi. v, fig. 10, Mus, No, 7873.Neritina (Velatella) carditoides (Meek) White.Rep. U. S. Geogr. & Geo!. Surv. west of 100th Meridian, vol. iv, part i, p. 189,1)1. xviii, figs. 7a-c. Mus, No. 8632,Neritina (Velatella) patelliformis (Meek) White.nth Auu. Rep. U. S. Geol. & Geogr, Surv, Terr., p. 309, pi, vii, figs, 7a-d. Mus. Nos.7888, 8094,Neritina (Velatella) patelliformis var. iveberensis (Meek) White.nth Ann. Rep. U. S. Geol, ?fe Geogr, Surv. Terr., p, 309, pi. vii, figs, 8a, h. Mus, No.8092.Nodosaria texana Conrad.U, S, & Mex. Bound, Surv., vol, i, part ii, p, 159, pi, xiv, figs, 4a-c, Mus. No-9887, 316 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES-Continued. -Nucxila cancellata (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 102, pi. xxviii,ligs. ] :i[a, c], d, e. Mus. Nos. 434, 1931.Nucula obsoletistrlata (M. ?fe H.^ Meek.(Jret. No. 4. Rep. U. S. Geol. &. Geogr. Surv. Terr., 4to, vol. ix, p. 100, pi. xv, figa.lOrt, h. Mns. No. 351.Nucula planiniarginata (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 101, pi. xv, figs. 8a,l; pl.xxviii,fig. 16. Mns. Nos. 437,436.Nucula planimarglnata (M. & H.) Whitf.Crtt. No. 4. Rci>. Geol. Black Hills of Dakota, p. 406. pi. xi, figs. 5, 6. Mus. No. 12259.Nucula subplana (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 352, pi. xvii, figs.7?, &. Mus. No. 3.52.Nuculana bisulcata (M. ?& H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 104, j)!. xv,fig8.4?, />. Mus. No. 1948.Nuculana bisulcata (Meek) Whitf.Rep. Geol. Black Hills of Dakota, p. 407, pi. xi, fig. 7. Mus. No. 12265.Nuculana ? equilateralis (M. & H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 106, pi. xv,tigs. 7a, h. Mus. No. 323.Nuculana subnasuta (H. & M.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 105, pi. xv, fig. 9.Mus. No. 305.Odontobasis constricta (H. & M. sp.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 352, figs. 41, 42 ; p. 353. Mus. No. 1943.Ophioderma ? bridgerensis (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 8, pi. xii, fig. 12a. Mus. No. 7820.Ostrea (Alectryonia) bellaplicata (Shuinard) White.11th Ann Rep. U. S. Geol. & Geogr. Surv. Terr., p. 276, pi. iv, figs. 3a, 6. Rev. Foss.Ostreidae N. A. , p. 292, pi. xlvii, figs. 1, 2. Mus. No. 12383.Ostrea (Alectryonia) saixnionis White.Cret. No. 5. 11th Ann. Rep. U. S. Geol. &l Geogr. Surv. Terr., p. 277, pl.ii, figs. '2a-e. Rev. Foss. Ostreidse N. A., p. 300, pi. xlv, figs. 3-7. Mus. No. 8056.Ostrea anomioides (Meek) White.12th Ann. Rep. U. S. Geol. ?fc Geogr. Surv. Terr., p. 10, pi. xi, figs. 4a, 6. Rev. Foss.OstreidtB N. A. , p. 291, pi. xxxix, figs. 4, 5. Mus. No. 7823.Ostrea bella Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 156, pi. x,figs. 4a,&. Rev. Foss. OstreidsBN. A. , p. 292, pi. xxxix, fig. 6. Mus. No. 9852.Ostrea coalvillensis Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 140, pi. xv, figs. 10, a- c. Rev. Foss.Ostreidae N. A., p. 293, pi. xxxvi, figs. 1-4. Mus. No. 7800.Ostrea congesta (Conrad) Meek.Cret. No. 3. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 13, pi. ix, figs. la-e.Rev. Foss. Ostreidse N. A., p. 294, pi. xxxix, figs. 11-13. Mus. No. 238.Ostrea cortex Conrad.U. S. & Mex. Bound. Surv., vol. i,part ii,p. 157, pi. xi, figs. 4a-d. Rev. foss. os-treidse N. A. , p. 294, pi. xxxvii, figs. 3, 4. Mus. No. 9871. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 31TCRETACEOUS SPECIES?Continued.Ostrea cortex (Conrad) White.Kop. U. S. Geogr. & Geo]. Snrv. wost of ICOth Meridian, vol. iv, part i,p. 170, pi.XV, iigs. 2a-c. Mua. No. feo4^.Ostrea (.Gryphaea ?) patina (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 16, pi. x, figs. 2a^b; a, h (bis). Rev. Foss. OstreldiB N. A., p. 298, pi. xlvii, figs. .5, 6. Mus. No. 325.Ostrea (Gryphaea ?) patina vur. A (M. ?fe H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr. , 4to, vol. ix, p. 18, pi. x, figs. 3a, 6;pi. xi, figs, la, b. Rev. Foss. Ostreid* N. A., p. 298, pi. xlvii, fig. 4. Mus. No. 325.Ostrea (Gryphasa ?) patina var. C (M. *&. H.j Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 18, pi. xi, figs. 4a, 6.Mus. No. 325.Ostrea (Gryphaeostrea ?) subalata Meek.Cret. No. 5. Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix, p. 15, pi. xxviii, fig.5. Rev. Foss. Ostreidae N. A., p. 300, pi. xxxix, fig. 10. Mus. No. 2101.Ostrea iuornata (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 14, pi. x, fig. 4.Mus. No. 329.Ostrea lugubris Conrad.U. S. & Mex. Bound. Snrv., vol. i, part ii, p. 156, pi. x, figs. 5a, b. Rev. Foss. Ostrei-dsB N. A., p. 297, pi. xli, fig. 3. Mus. No. 9822.Ostrea multiUrata Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 157, pi. xii, figs. la-d. Rev. Foss. Os-treidaj N. A., p. 298, pi. xxxviii, figs. 1,2. Mus. No. 9895.Ostrea (Gryphaeostrea) patina var. B (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol, ix, p. 18, pi. xi, figs. 3a,b. Mus. No. 325.Ostrea pellucida (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 15, pi. xxviii, figs.4a, b. Rev. Foss. Ostreidae N. A., pi. 1, figs. 5,6. Mus. No. 330.Ostrea prudentia White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. ix, part i, p. 171, pi. xiv^figs. 2a-d. Rev. Foss Ostreida) N. A., p. 299, pi. xl, figs. 5, 6. Mus. No. 8639.Ostrea quadriplicata (Shumard) White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 275, pi. v, fig. 6a. Rev. Foss. Os-treidui N. A., p. 299, pi. xliii, fig. 5. Mus. No. 8077.Ostrea robusta Conrad.U. S. &Mex. Bound. Surv., vol. i, part ii, p. 156, pi. xi, figs. 3a, 6. Rev. Foss. Ostrei-dje N. A., p. 300, pi. xl, figs. 3, 4. Mus. No. 9885.Ostrea soleniscus (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 9, pi. xi, figs. 2a, b. Rev. Foss..Ostreidaj N. A., p. 300, pi. xlii, fig. 1. Mus. No. 7780.Ostrea subspatulata (Lyell & Sowerby) Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 155, pi. x, figs. 3a, 6. Mus. No. 9867.Ostrea vellicata Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 156, pi. xi, figs. 2a, b. Mus. No. 9833.Pachymya ? herseyi White.Cret. No. 5. 11th Ann. Rep. U. S. Geol. & Geogr, Surv. Terr., p. 298, pi. v, figs. 5a,b. Mus. No. 8091.Pacliymya ? compacta White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 22, pi. xvii, figs. 4a, b. MusNo. 8027. 3 1 8 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES?Coatiniied.Paliurus pentangulatus White.Cret. No. 5 ? 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 302, pi. iv, figs.4a, h. Miis. No. 8081.Paramithrax ? wallreri Whitf.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 37, pi. xvl, figs, la-c; pi. xvii,fig. la. (Casts of type.) Mus. No. 8360.Parapholas spheuoideus White.Cret. No. 'A. Uth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 300, pi. v, figs, la-d. iSIns. No. 12380.Pliarella ? pealei (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 21, pi. xi, figs. 6a, 6. Mus. No.7821.Philloceras ? halli (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 458, pi. xxiv,figs. 3a-c. Mas. No. 384.Pholadomya papyracea (M. & H.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 217, pi. v, figs.4a, h. Mus. No. 1910.Pholadomya sancti-sabae Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 164, pi. xxi, fig. 4. Mus. No. 9859.Pholadomya subelongata Meek.Bull. U. S. Geol. &- Geogr. Surv. Terr., vol. ii, No. 4, p. 362, pi. ii, figs. 1, a. Mus.No. 1299.Pholadomya subventricosa (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 217, pi. xxxix,figs. 8a, b. Mus. No. 18] . Pholadomya texana Conrad.U. S. & Mex. Bound Surv., vol. i, part ii, p. 152, pi. xix, fig. 3. Mus. No. 9877.Phylloceras ? ramosus Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii, No. 4, p. 371, pi. v, figs. 1, a, h. Mus.No. 12451.Phylloteuthis subovata (M. ?& H ) Meek.Cret. No. 5. Rep. U. S. Geol. ?& Geogr. Surv. Terr., 4to, vol. ix,p. 505, pl.xzxiii,fig. 3. Mus. No. 414.Physa ? White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 307, pi. vii, fig. 13a. Rev. Non-Marine Foss. Moll., p. 38 or 444, pi. iv, fig. 5, Mus. No. 12384.Physa carletoni (Meek) White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 306, pi. vii, fig. 12. Rev. Non-Marine Foss. Moll., p. 43 or 449, pi. v, fig. 18. Mus. No. 7875.Pinna petrina White.Rep. Geogr. ?fc Geol. Expl. & Surv. west of 100th Meridian, vol. iv, part 1, p. 182,pi. xiii, figs. 7o, h. Mus. No. 8640.Pinna stevensoni White.Proc. U. S. Nat. Mus., vol. iii,p. 47. Mus. No. 8101.Placenticeras placenta var. intercalare (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 468, pi. xxiii,figs. la-c. Mus. No. 369.Placenticeras (Sphenodiscus) lenticulare (Owen sp.) Meek.Cret. No. 5. Rep. U. S. Geol. ?fe Geogr. Surv. Terr., 4to, vol. ix, p. 473, pi. xxxiv,figs, ia-c; fig. 66 ou p. 473. Mus. No. 411. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 319CRETACEOUS SPECIES?Contiuned.Placenticeras ? vancouverense Meek.Bull. U. o. Geol. ?&Geogr. Surv. Terr., vol. ii, No. 4, p. 370, pi. vi, figs. 1, a-c. Mus.No. 1342.Placunopsis hilliardensis White.Cret. No. .'.. llth Aun. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 278, pi. vii, fig.Mrt. Mns. :'v'o. KOciJ.Plicatula hydrotheca White.11th Ann. Rep. U. S. Geo). & Geogr. Surv. Terr., p. 279, pi. vi, figs. 3a, h. Mus.No. 8048.Plicatula incongrua Conrad.U. S. & Mcx. Bound. Surv., vol. i, part ii, p. 153, pi. vi, figs. 10a, b. Mus. No. 9863.Prionocyclus ?woolgari (Mantel sp.) Meek,Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, j). 455, pi. vii, figs.lrt-(f, /-/)., 3. Mus. No. 223.Prionocyclus wyomingensis (Meek) White.Cret. No. 3 '>. 12th Aun. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 35, pi. xv, figs. la-e.Mus. No. 7729.Prionocyclus wyomingensis (Meek) Whitf.Cret. No. 2. Rep. Geol. Black Hills of Dakota, p. 440, pi. xiv, figs. 1-3. Mus. No.12283.Protocardia (Leptocardia) subquadrata (E. & S. sp.) Meek.Cret. No. h. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 175, pi. xxix, figs.Sa-e. Mus. No. 278.Protocardia salinaensis Meek.Cret. No. 1. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 174, pi. ii, [fig.13a]. Mus. No. 7897.Pseudobuccinum nebrascense Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 350, pi. xxxi, figs.ba-d. Mus. No. 290.Pteria linguiformis (E. & S. sp.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. Sc Geogr. Surv. Terr., 4to, vol. ix, p. 32, pi. xvi, figa.Ic, d. Mus. No. 324.Pteria linguiformis var. subgibbosa Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 33, pi. xxviii, fig.12. Mus. No. 461.Pteria linguiformis (E. & S. sp.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 384, pi. vii, fig. 2. Mus. No. 12337.Pteria (Oxytoma?) gastrodes (Meek) White.11th Ann. Rep. U. S. Geo). ?& Geogr. Surv. Terr., p. 280, pi. x, fig. la. Mus. No. 7789.Pteria (Oxytoma) nebrascana (E. &, S.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 34, pi. xvi, fig. 36.Mus. No. 425.Pteria (Oxytoma) salinensis White.Cret. No. 1 . 12th Aun. Rep. U. S. Geol. ?fe Geogr. Surv. Terr., p. 15, pi. xvi, figs. 2a, b.Mus. No. 8025.Pteria parkensis White.11th Aun. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 279, pi. iii, fig. 3a. Mus. No,8074.Pteria (Pseudopteria) fibrosa (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 36, pi. xvii, figs.17c, d. Mus. No. 460. 320 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.CRETACEOUS SPECIES?Continued.Pteria (Pseudopteria) fibrosa (M. & H.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dak -ta, p. 386, pi. vii, fig. 5. Mus. No.12332.Pteria (Pseudopteria) propleura (Meek) White.llth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 281, jjI. x, figs. 2a, c. Mns. Nos.T7f^8, 7790.Pteria (Pseudopteria) sublevis Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 387, pl. vii, fig. 6. Mus. No.12251.Pteria?? stabilitatis White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 15, pl. xvii, fig. 3a. Mus. No. 8057.Ptychoceras crassum Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 459, pl. xvi, figs. 3, 4. Mue. No.12324.Ptychoceras meekanum. Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 457, pl. xvi, fig. 1. Mus. No.12279.Pyrifusus (Neptunella) intertextus Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 348, pl. xix,figs. 14a, b. Mus. No. 2.53.Pyrifnsus (Neptunella) ne'wberryi Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. Surv. Terr., 4to, vol. ix, p. 346, pl. xxxi, fig. 6e.Mus. No. 257a. Figs. 6a-d, f; fig. 39, p. 346. Mus. No. 257.Pyrifusus (Neptunella) subturritus (M. ?& H. sp.) Meek.Cret. No. 4. Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix, p. 347, pl. xxxii,figs. 3a, b ; fig. 40, p. 347. Mus. No. 254.Pyrina parryi Hall.U. S. & Mf^x. Bound. Surv., vol. i, part ii,p. 144, pl. i, figs. la-d. Mus. No. 9854.Pyropsis bairdi (M. ?& H. sp.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 369, pl. xxxi,figs. 10a, b. Mus. No. 252Pyropsis bairdi var. rotula Meek.Cret. No. 5. Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix, p. 371, fig. 47.Mus. No. 252.Requienia patagiata White.Bull. U. S. Geol. Surv., No. 4, p. 94, pl. i, figs. 1-8 ; pl. ii, figs. 1-4. Mus. No. 12363.Rostellaria ? coUina Courad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 158, pl. xiii, figs. 4a, b. Mus. No. 9870.Rostellaria ? texana^R. ? collina Courad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 157, pl. xiii, figs. 3a, I. Mus. No. 9875.Rostellites texana Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 158, pl. xiv, figs. 2a, b. Mus. No. 9886.Scaphites abyssinus (Morton sp.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 441, pl. xxxv^figs. 2a, b. Mus. No. 409.Scaphites cheyennensis (Owen sp.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 437, pl. xxxv^figs. 3a, b. Mus. No. 402.Scaphites conradi (Morton sp.) Meek.Cret. No. 5. Rep. U. S. Geol. &. Geogr. Surv. Terr., 4to, vol. ix, p. 430, pl. xxxvi^figs. 2a-/. Mus. Nos. 398, 400. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 321Tol. VIII, I?o.31. VTashin^ton, II. C. Aug^./, 1885.CRETACEOUS SPECIES? Contiuued.Scaphites conradi var. gulosua (jNI. & H.) Meek.Cret. No. .5. Kep. U. S. Geol.& Geogr. Surv. Terr., 4to, vol. ix, p. 4.32, pi. xxxvi,tig. 1 Mus. No. 399.Scaphites conradi (Morton sp.) var. iiitermedius Meek.Cret. No. 5. Kep. U. S. Geol. & Geogr. Snrv. Terr., 4to, vol. ix, p. 433, pi. xxxiv,tigs. 3?-c. ]\Iiis. No. 408.Scaphites larvaeformis (M. & H.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 418, pi. vi, figs.6a-c. Mus. No. 229.Scaphites mandauensis (Morton sp. ) Meek.Cret. No. ;"). Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 443, pi. xxxv,ligs. la-c. Mus. No. 410.Scaphites nicolletii (Morton sp.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr. , 4to, vol. ix, p. 435, pi. xxxiv,figs. 4fl-c, 2a-b. Mus. Nos. 40.j, 407.Scaphites iiodosus (Owen) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 441, pi. xiii, fig. 12. Mus. No,12284.Scaphites iiodosus (Owen sp.) var. brevis Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr, Suiv. Terr., 4to, vol. ix, p. 426, pi. xxv, fig?.la-c. Mus. No. 367.Scaphites nodosus var. brevis (Meek) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 443, pi. xiii, figs. 8, 9. Mus. No,12289.Scaphites nodosus var. plenus (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4io, vol. ix, p. 429, pi. xxvi,figs. la-c. Mus. No. 364.Scaphites nodosus (Owen sp.)var. quaraiigularis Meek.Cret. No. 4. Rep. U. S. Geol. ?fe Geogr. Surv. Terr., 4to, vol. ix, p. 428, pi. xxv, fig,4. Mus. No. 365.Scaphites nodosus (Owen) var. quadangularis Meek.Cret. No. 4. Kep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix,p. 428, pi. xxv, figs,2a-c, 3a-c. Mus. Nos. 370, 366.Scaphites nodosus var. quadrangularis (Meek) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 443, pi. xiii, figs. 10, 11. Mus.No. 12291.Scaphites vermiformis (M. ?&, H.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 423, pi. vi, figs,4a, b. Mus. No. 1902.Scaphites ventricosus (M. & H.) Meek.Cret. No. 2. Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix, p. 425, pi. vi, figs.7a, b, 8a-c. Mus. Nos. 1903, 1904.Scaphites warreni (M. & H. ) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 420, pi. vi, fig,5. Mus. No. 225.Scaphites warreni (M. & H.) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 200, pLxix, fig. 3a. Mus. No. 8636.Proc. Nat. Miis. 85 21 ?322 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. L1885.CRETACEOUS SPECIES?ContiDued.Scaphites warreni (M. ?fc H.) Wbitf.Rep. Geol. Black Hills Dakota, p. 444, pi. xiii, figa. 2, 3. Mus. No. 12290. Figs. 1, 4.Mus. No. 12262.Scaphites wyomingensis (M. & H.) Whitf.Cret. No. 2 f Rep. Geol. Black Hills of Dakota, p. 446, pi. xiii, figs. 5-7. Mus. No.122.58.Serpula tenuicarinata (M. & H.) Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 507, pi. vi, fig.1. Mus. No. 226.Solemya subplicata (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to,vol. is, p. 129, pi. xxviii,fig. 19. Mus. No. 449.Sphceriola? cordata (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 137, pi. xxix,figs. 3a-c. Mus. No. 457. -Sphaeriola ? endotrachys Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, -p. 139, pi. xxix,fig. 2. Mus. No. 12385.Sphaeriola ? obliqua Meek.Cret. No. 5? Bull. U. S. Geol. & Geogr. Surv. Terr., 2, series. No. 1, p. 46 (notfigured). Mus. No. 7835.Sphaeriola transversa Whitf.Cret. No. 5. Rep. Geol. Black Hills of Dakota, p. 415, pi. x, figs. 14-16. Mus.No. 12316.Sphceriola ? warrenana Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 138 (not figured).Mus. No. 458. ?Bpironema tenuilineata (M. & H. sp.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 342, pi. xxxii,figs. 9a-c. Mus. No. 270.Syncyclonema rigida (H. & M.) Meek.Rep. Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 27, pi. xvi,figs. 5rt, b. Mus. No. 347.Syncyclonema rigida (H. &M.} Whitf.Rep. Geol. Black mils of Dakota, p. 383, pi. vii, fig. 1. Mus. No. 12272.Tancredia americana (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 142, pi. xxxviii,figs, lb, e. Mus. No. 186.Tancredia "? coelionotus White.Cret. No. 5. 11th Ann. Rep.U. S. Geol. &, Geogr. Surv. Terr., p.288, pi. v, figs. 2a-d.Mus. No. 8072.Tapes hilgardi (Shumard) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 22, pi. xvi, figs. 36, o. Mus.No. 8028.Tellina?? isonema Meek.Rej). Geol. Expl. 40th Parallel, \^ol. iv, part i, p. 156, pi. xv, fig. 6. Mus. No. 7851.Tellina ? modesta Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 157, pi. xv, fig. 5. Mus. No. 7852.Tellina (Peroneea ?) equilateralis (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 196, pi. xxxix,figs. 5a-c. Mus. No. 179. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 323CRETACEOUS SPECIES?Continued.Tellina (Peionaea ?) scitula (M. & H.) Meek.Cret. No. .5. Rep. U. S. Geol. & Gcogr. Surv. Terr., 4to, vol. ix, p. 197, pi. xxx, figs.la, b. Mils. No. 439.Teredo globosa (M. &, H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 264, pi. xxx,tig. 13; tigs. 31, 3-i, p. 264. Muy. No. 422.Teredo selliformis (M. & H.) Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 262, pi. xvii, fig.19rf. Mus. No. 4v;l.Terebratula chocta-wensis (Sliuniard) Conrad.U. S. & M.x.Bouud. Surv., vol. i, part ii, p. 156. Mus.No.9848.Terebratula leon-nsis Conrad.U. S. & Mex. Bouud. Surv. , vol. i, part ii, p. 164, pi. xxi, fig. 2. Mus. No. 9837.Terebratula wacoensis (Rcemer) Conrad.U. S. & Mex. Bouud. Surv., vol. i, part ii, p. 147, pi. iii, figs. la-c. Mus. No. 9838.Tessarolax hitzii White.Cret. No. 4. 12tli Auu. Rep. U. S. Geol. ?St Geogr. Surv. Terr., p. 29, pi. xv, fig. 2a.Mus. No. 7526.Thetis ? circularis (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 190, pi. xvii, fig8.6a-c. Mus. No. 340.Thetis circularis (M. & H.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 417, pi. xi, figs. 22-24. Mus. No.12330.Thracia gracilis (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 224, pi. xxxix, fig.6h. Mus. No. 188.Thracia myasfortais White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 23, pi. xvii, figs. 2a, b. Mus. No.8029.Thracia ? prouti (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 225, pi. xxxvii,figs. 6a, b. Mus. No. 189.Thracia subgracilis Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 419, pi. xi, figs. 29, 30. Mus. No.12253.Thracia? subtortuosa (M. & H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 223, pi. xxxvii,fig. 5. Mus. No. 185.Tozaster elegans (Shumard sp.) Hall.U. S. & Mex. Bouud. Surv., vol. i, part ii, p. 146, pi. xxi, figs. la-e. Mus. No. 9856.Toxaster texanus (Rcemer) Hall.U. S. & Mex. Bouud. Surv., vol. i, part ii, p. 145, pi. i, figs. 2a-c. Mus. No. 9857.Trachytrito)! vinculum (H. & M. sp.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr.,4to, vol. ix,p. 304, pi. xix, figs.7a-d. Mus. No. 261.Trapezium? micronema (Meek) White.nth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 293, pi. x, fig. 5a. Mus. No. 7846.Trapezium truncatum (Meek) White.nth Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 292, pi. x, figs. 6a, b. Mus. No.7813. 324 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [18&5.CRETACEOUS SPECIES?Continued.Trigonarca (Breviarca) exigua (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 93, pi. xv, figs.2a-/. Mu8. No. 848.Trigonia emoryi Conrad.U. S. & Mfx. Bound. Surv., vol. i, part ii, p. 148, pi. iii, fig8. 2a-c. Mus. No. 9849.Trigonia evansi Meek.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii, No. 4, p. 359, pi. ii, fig. 7. Mus.No. 12452.Trigonia texana Conrad.U. S. & Mex. Bound. Snrv., vol. i, part ii, p. 148, pi. iii, figs. 3a-c. Mus. No. 9843.Turbinolia texana Conrad.U. S. & Mex. Bound. Surv., vol. i,part ii,p. 144, pi. ii, figs. 3a, b. Mus. No. 9836.Turbonilla (Chemnitzia) coalvillensis (Meek) White.lltb Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 305, pl.ix, figs. 5a, h. Mu.s. No.7880.Turbonilla (Chemnitzia) melanopsis (Conrad?) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 197, pi.xviii, fig. 10a. Mus. No. 865.5.Turnus (Goniochasma) stimpsoni (M. & H.) Meek.Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to., vol.ix, p. 256, pi. xxx,figs. 9a, b. Mus. No. 451.Turns (Surcula ?) contortus Meek.Cret. No. 5. Rep. U. S. Geol, & Geogr. Surv. Terr., 4to, vol. ix, p. 385, fig. 49 ; pi.xxxi, figs. 7a-c.Turris (Surcula ?) hitzi Meek.Cret. No. 2. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 386, fig. 50, p.387. Mus. No. 12458.Turritella coalvillensis (Meek) White.Cret. No. 4 or 5. 11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 315, pi. ix, fig.4a. Mus. No. 7878.Turritella leonensis Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 165, pi. xxi, figs. 7a, b. Mus. No.9834.Turritella marnochi White.11th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 315, pi. vii, figs. 5o, h. Mu8.No. 8055.Turritella (Aclis ?) micronema (Meek) White.Utli Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 316, pi. ix, fig. 8a. Mus. No.7882.Turritella planilateris Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 158, pi. xiv, figs. 1, a, b. Mus. No.9845.Turritella spironema (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 31, pi. xii, fig. 3a. Mus. No.. 7870.Turritella uvasaua (Conrad) White.Rep. U. S. Geogr. & Geol. Surv, west of 100th Meridian, vol. iv, part i, p. 195, pi.xviii, figs. 11a, b. Mus. No. 8657.Tylostoma princeps White.Proc. U. S. Nat. Mue.,vol. iii, p. 140, pi, ii, figs, 1, 2, Mus, No. 8864, 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 325CRETACEOUS SPECIES?Continued.Uintacrinus socialis (Grinnel) Meek.Bull. U. S. Geol. & Geogr. Surv. Torr., vol. ii, No. 4, pp. 375-378, figs. A, B, on p.375. Mus. No. 8044.Valvata nana (Meek) White.12tli Auu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 33, pi. xii, figs. 17a, h. Rev.Non-Marine Foss. Moll., p. 64 or 470, pi. v, figs. 19,20. Mus. No. 8093.Vanikoro ambigua Meek.Cret. Nos. 4, 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 330, pi. xix,figs. I2a-d. Mus. No. 267.Vanikoropsis tuomeyana M. & H.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 332, pi. xxxix,figs. 2a, b. Mus. No. 266.Veniella goniophora Meek.Cret. No. 2. Rep. U. S. Geol. ?fe Geogr. Surv. Terr., 4to, vol. ix, p. 152, pi. iv,fig. 4; fig. 12 ou p. 152. Mus. No. 1720. "Veniella goniophora (Meek) White.Rep. U. S. Geogr. & Geol. Expl. & Surv. west of 100th Meridiau, vol. iv, part i, p.185 (not figured). Mus. No. 8550.Veniella humilis (M. & H.) Whitf.Cret. No. 5. Rep. Geal. Black Hills of Dakota, p. 414, jd. x, figs. 8-12. Mus. No.12333.Veniella mortoni (M. & H.) Meek.Cret. No. 2. Re|). U. 8. Geol. &. Geogr. Surv. Terr., 4to, vol. ix, p. 154, pi. iv, figs.3fl, 1). Mus. No. 20J7.Veniella subtumida (M. & H.) Meek.Cret. Nos. 4,5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 154, pi. xvii,figs. 5a, b. Mus. No. 361.Veniella (Venilicardia?) humilis (M. &, H.) Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 155, pi. xxx, figs.5a-c. Mus. No. 444.Volsella attenuata (M. & H.)Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 74, pi. xxviii,figs. 8a, b. Mus. No. 486.Volsella (Brachydontes) multilinigera (Meek) White.I2th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 18, pi. xi, [fig. 3a]. Mus. No.7781.Volsella galpiniana (E. & S. sp.) Meek.Cret. No. 5. Rep.U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 73, pi. xxviii,figs. 7a, b. Mus. No. 446.Volsella meekii (E. &. S. sp.) Meek.Cret. Nos. 4,5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 72, pi. xv,figs. 3a-c. Mus. No. 313.Websteria cretacea Meek.Cret. No. 5. Rt- p. IJ. S. Geol. & Geogr. Surv. Terr. , 4to, vol. ix, p. 3, [pi. xxviii, figs.3fl-cJ. Mus. Nos. 333, 416.Yoldia evansi (M. & H.) Whitf.Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 409, pi. xi, fig. 1. Mus. No. 12340.Yoldia scitula Meek.Cret. No. 5. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 110, pi. xxviii,fig. 9. Mus. No. 302. 326 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.LARAMIE SPECIES.Acroloxus minuUis (M. & H.) Meek.Rep. U. S. Geol. &. Geogr. Surv. Terr., 4to, vol. ix, p. 543, pi. xliv, fig. 10. Rev.Non-Mariue Foss. Moll., p. 45, or 451, pi. xxiv, lig. '27. Mns. No. 3126.Anodonta parallela White.12th Auii. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 62, pi, xxiv, fig. 3a. Rev. Non-Marine Foss. Moll., p. 23 j^r 429, pi. xix, fig. 5. Mus. No. 9028.Anodonta propatoris White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 61, pi. xxiv, fig8.2a-(Z. Rev_Non-Marine Foss. Moll., p. 23 or 429, pi. xix, tigs. 6-9. Mus. No. 13406Anomia micronema (Meek) White.Rev. Non-Marine Foss. Moll., p. 16 or 442, pi. xii, figs. 7,9,11. Mus. Nos. 12492,9931.Anomia micronema (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 57, pi. xxv, figs. 2a-d. Rev.Non-Marine Foss. Moll., p. 16 or 442, pi. xii, figs. 6, 8, 10. Mus. No. 9038.Azinea holmesiana White,12th Aun. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 59, pi. xx, figs. 2a, b. Mus. No.9055.Bulinus atavus White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 86, pi. xxiv, figs. 5o, b. Rev.Non-Mariue Foss. Moll., p. 44 or 450, pi. xxv, figs. 6, 7. Mus. No. 12481.Bulinus disjunctus White.12th Aun. Rep. U. S. Geol. &, Geogr. Surv. Terr., p. 86, pi. xxiv, figs. 6a, b. Rev.Non-Mariue Foss. Moll., p. 45 or 451, pi. xxv, figs. 4, 5. Mus. No. 12469.Bulinus longiusculus (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 541, [pi. xliii, figs. 16a, b].Rev. Non-Marine Noss. Moll., p. 45 or 451, [pi. xxv, fig. 8]. Mus. No. 2120.Bulinus subelongatus M. & H.Rep. U. S. Geol. A- Geogr. Surv. Terr., 4to, vol. ix, p. 540, pi. xlii, figs. 13a, b. Rev.Non-Marine Foss. Moll., p. 44 or 450, pi. xxv, figs. 10,11. Mus. No. 2118.Campeloma macrospira (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 102, pi. xxx, fig. 2a. Rev. Non-Mariue Foss. Moll., p. 63 or 469, pi. viii, figs. 6, 7. Mus. No. 7619.Campeloma multilineata (M. & H.) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 101, pi. xxviii, figs. 4a, b. Rev.Non-Marine Foss. Moll., p. 63 or 469, pi. xxvii, figs. 1, 7. Mus. No. 9029.Campeloma multilineata White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 63, pi. xxvii, figs. 2-4, 6. Mus.No. 8139.Campeloma producta White.Rev. Non-xMariue Foss. Moll., p. 63 or 469, pi. xxvi, figs. [25], 26. Mus. No. 8140.Campeloma producta White.Rev. Non-Mariue Foss. Moll., p. 63, pi. xxvi, figs. 21-24,27. Mus. No. 8140.Campeloma vetula (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 587, pi. xlii, figs. 14a, 6,Rev. Non-Marine Foss. Moll., p. 63 or 469, pi. xxvii, figs. 8, 9. Mus. No. 2153Cassiopella turricula White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 97, pi. xxvii, figs. 2a-d,f-g.Rev. Non-Marine Foss. Moll., p. 58 or 464, pi. xxiii, figs. 25-29. Mus. No.9058. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 327LARAMIE SPECIES?Continued.Columna teres (M. & 11.) Meek.Rep. U. S. Gt'ol. & Geogr. Suiv. Terr., 4to, vol. ix, p. 555, pi. xliv, figs. 11a, 6.Kev. Nou-Mariue Foi?8. Moll., p. 48 or 454, pi. xxv, fig. 15. Mus. No. 2115.Columna vermicula (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Sury. Terr.,4to, vol. ix, p. 556, pi. 'xliv, figs. 12, a, b..Rev. Nou-Marine Foss. Moll., p. 48 or 454, pi. xxv, fig. 16. Mus. No. 2114.Columna vermicula (M. ?fe H.) var. contraria Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 557 (unfigured). Mus. No.2114.Corbicula angheyi White.Rev. Non-Marine Foss Moll., p. 32 or 438, pi. xxi, figs. 4-6. Mus. No. 11557..Corbicula [bannisteri Meek] occidentalis (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 75, pi. xxi, figs. 3&, c. Mus;.No. 7834.Corbicula berthoudi W^hite.Rev. Non-Manne Foss. Moll., p. 32 or 438, pi. xxi, figs. 1-3. Mus. No. 11556.Corbicvla clebnrni White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 73, pi. xxiil,figs. la-c. Rev. Non-Marine Foss. Moll., p. 31 or 437, pi. xx., figs. 7-9. Mus. No. 9023.Corbicula cytheriformis (M. ?&, H.) White.12th Ann. Rep. U. 8. Geol. & Geogr. Surv. Terr., p. 74, pi. xxi, figs. Aa-d. Rev. Non-Marine Foss. Moll., p. 31 or 437, pl.xxii, figs. 3-6. Mus. Nos. 6117, 9673.Corbicula cytheriformis (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. .520, pl.xl, figs. .5a-e. Rev.Non-Marine Foss. Moll., p. 31 or 437, i?l. xxii, figs. 1, 2. Mus. No. 2133.Corbicula (LeptesthesJ cardiniseformis White.12th Ann. Re[). U. S. Geol. & Geogr. Surv. Terr., p. 73, pi. xxv, figs. 5a, b. Rev.Non-Marine Foss. Moll., p. 31 or 437, pi. xxii, figs. 10, 11. Mus. No. 9024.Corbicula (Leptesthes) cardiuiaeformis White.Rev. Non-Marine Foss. Moll., p. 31 or 437, pi. xxii, figs. 12-15. Mus. No. 12477.Corbicula (Leptesthes) fracta (Meek) White.Rev. Non-Maiiue Foss. Moll., p. 33 or 439, pi. sx, figs. 2-6. Mus. No. 8104.Corbicula (Leptesthes) macropistha White.12th Ann. Rep. U. S. Geo). & Geogr. Surv. Terr., p. 78, pi. xxiii, figs. 4a-/. Rev.Non-marine Foss. Moll., p. 31 or 437, pi. xxi, figs. 11-14. Mas. No. 8124.Corbicula (Leptesthes) planumbona (Meek) White.12th Ann. Rep. U. S. Ge 1. & Geogr. Surv. Terr., p. 77, pi. xxi, figs. 2a-d. Rev. Non-Marine Foss. Moll., p. 31 or 437, pi. xxii, figs. 7-9. Mus. No. 8126.Corbicula (Leptesthes) subelliptica (M. & H.) Meek.Rep. U. S. Geo]. & Geogr. Surv. Terr., 4to, vol. ix, p. 523, pi. xliii, figs. 9b, c. Mus.No. 12473.Corbicula nebrascensis (M. ?fe H.) Meek,Rep. U. S. Geol. & Geogr. Surv. Terr., 4to,vol. ix, p. 522, pi. xliii, figs. 2a, b. Rev.Non-Marine Foss. Moll., p. 31 or 437, pi. xx, figs. 12, 13. Mus. No, 2131.Corbicula cbesa White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 72, pi. xxiii, figs. 3a-e. Rev.Non-Marine Foss. Moll., p. 31 or 437, pi. xxiii, figs. 7-11. Mus. No. 9025.Corbicula occidentalis (M. ?fe H.) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 75, pi. xxi, fig. 3a. Rev. Non-Marine Foss. MoU., p. 31 or 437, pi. xxiii, figs. 1-6. Mus. Nos. 8112, 8113. 328 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM [1885.LARAMIE SPECIES?Continued.Corbicula subelliptica (M. & H.) Meek.Rep.U.S. (ieol. & Geogr. Surv.Terr., 4to, vol. ix,p. 523, pi. xliii,fig.9a. Mus. No.441.Corbicula subelliptica (M. ?fe H.) White.Rev. Non-M:iiiiie Foss. Moll., p. 31 or ^.37, pi. xx, figs. 10, 11. Mus. No. 8123.Corbicula subelliptica var. moreauensis (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 524, pi. xliii, figs. la-c. Mus.No. 213-'.Corbicula umbonella (Meek) White.Rev. Non-Marine Foss. Moll., p. 32 or 438, pi. xxi, figs. 7, 8. Mus. No. 12468.Corbicula (Veloritina) durkeei Meek.Rep. Geo!. Exjil. 40th Parallel, vol. iv, part i, p. 167, pi. xvi, figs. 6, a, c, d. Rev. Non-Murine Foss. Moll., p. 31 or 437, pi. viii, figs. 10, 11. Mus. No. 7621.Corbicula (Veloritina) dxirkeei (Meek) White.Rev. Non-Marine Foss. Moll., p. 31 or 437, pi. viii, fig. 9. Mus. No. 8148.Corbicula (Veloritina) durkeei (Meek sp.) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. i v, part i, p. 207, pi. xxi,figs. 13a, 5. Mus. No. 8613Corbula (Anisorhyncus) pyriformis Meek.Rep.Expl. Great Basin of Utah, by Capt. J. H. Simpson, p. 361, pi. v, figs. 9,10.Mus. No. 493.Corbula (Potamomya) concentrica Meek.=Corbula (Anisorhyncus) pyriformisMeek.Proc. Acad. Nat. Sci. Philad., 1860, vol. xii, p. 312. Mus. No. 494.Corbula engelmanni Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 174, pi. xvii, tig. la. Mus. No. 495.Corbula mactriformis (M. &. H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 528, pi. xliii, figs. 7a-[/]. Rev.Non-Marine Foss. Moll., p. 36 or 442, pi. xviii , figs. 12-15. Mus. No. 2168.Corbula perundata (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. .530, pi. xl, fig. 4c. Mus. No.2181.Corbula pyriformis (Meek) White.Rev. Non-]\Iarine Foss. Moll., p. 35 or 441, pi. viii, figs. 12-16. Mus. No. 8149,Corbula subtrigonalis (M. & H.) White.Rev. Non-Marine Foss. Moll., p. 36 or 442, pi. xix, fig. 10. Mus. No. 8109. (N. B.?Fig. 15 is example of C. trepidophora Meek.)Corbula subtrigonalis (M. & H.) White.12 Ann. Rep. U. S. Geol. & Geogr. Surv.Terr., p. 80, pi. xxv, figs. 6a-c. Rev. Non-Ma-rine Foss. Moll., p. 36 or442, pi. xix, figs. 11-13. Mus. No. 8107.Corbula (Tropidophora Meek) subtrigonalis (M. & H.) White.12th Anu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 80, pi. xxv, fig. 6/. Rev. Non-Ma-rine Foss. Moll., p. 36 or 442, pi. xix, fig. 15. Mus. No. 8109.Corbula undifera (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv.Terr., p. 80, pi. xxix, figs. 4a-/. Rev. Non-Marine Foss. Moll., p. 36 or 442, pi. xviii, figs. 6-9. Mus. No. 9060.Corbula undifera (Meek) var. subundifera White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 81, pi. xxix, figs. 5a-c. Rev. Non-Marine Foss. Moll., p. 36 or 442, pi. xviii, figs. 10, 11. Mus. No. 9056.Cypris ? White.Rep. U.S. Geogr. ?fe Geol. Surv. we.st of 100th Meridian, vol. iv, part i,i). 216 (notfigured). Mus. No. 8592. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 329LARAMIE SPECIES-Continued.<3-oniobasis chrysalis (Meek) White.!2tli Ann. Kip. U. S. Geo). & Geogr. Surv. Terr., p. 91, pi. xxx, figs. 6a, b. Rev. Non-Maria.- Fos.s. Moll., p. 5(i or 462, pi. vi, figs. 13, 14. Mus. No. 8153.Goniobasis chrysalloidea White.12th Ami. Rep. II. S. Geo]. & Geogr. Surv. Terr., p. 92, pi. xxx, tigs. 5a, b. Rev. Non-Marine Fos8. M((ll., J). .% or 402, pi. vi, figs. 10, 11. Mus. No. 8157.Goniobasis cleburni White.12th Ann. Rep. U. S. Gcol. ?& Googr. Surv. Terr., p. 91, pi. xxx, figs. 4a-d. RevNou-Mariue Foss. Moll., p. 56 or 462, pi. vi, figs. 7-i>. Mus. No. 8152.Goniobasis convexa Met k.Rep. U. S. Geol. &. Geogr. Surv. Terr., 4to, vol. ix, p. .562, pi. xlii, figs. 2a, b ; fig. 71,p. 562. Rev. Nou-Mariue Foss. Moll., p. 57 or 463, pi. xxvi, figs. 6, 7 Mus.No. 2142.Goniobasis convexa var. impressa (M. & 11.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 563, pi. xlii, figs. 2c, d. Rev.Non-Marine Foss. Moll., p. 57 or 463, pi. xxvi, figs. 8, 9. Mus. No. 2143.Goniobasis endlichi White.rith Ann. Rep. U. S. Gcol. & Geogr. Surv. Terr., p. 92, pi. xxx, figs. 7a-c. Rev.Non-Marine Foss. Moll., p. 57 or 463, pi. vii, figs. 7-9. Mus. No. 8161.Goniobasis gracilenta Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix,p..568, pi. xlii, fig. 3; p. 569,fig. 74. Rev. Nou-Mariue Foss. Moll., p. .57 or 403, pi. xxvi, fig. 12. Mus. No.12482.Goniobasis gracilenta (Meek) White.Rev. Non -Marine Foss. Moll. , p. 57 or 463, pi. xxvi, fig. 13. Mus. No. 8203.Goniobasis invenusta (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 564, pi. xlii, figs, lb, [la, d, e].Rev. Non-Marine Foss. Moll., p. 57 or 463, pi. xxvi, fig. 17. Mus. No. 2144.Goniobasis nebrascensis (M. & H.) Meek.Rej). U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 565, [pi. xliii, figs. 12a, /(].Rev. Non-Marine Foss. Moll., p. 57 or 463, [pi. xxvi, figs. 15-16]. Mus. No.2138.Goniobasis nebrascensis (M. & H.) White.Rep. Geogr. ?fc Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 213, pi. xxi,figs. 9,6, c. Mus. No. 8602.Goniobasis omitta (M. &. H.) Meek.Rep. U. S. Geol. ?& Geogr. Surv. Terr., 4to, vol. ix, p. .568, j)!. xlii, figs. 4a-c. Rev.Non-Marine Foes. Moll., p. 57 or 463, pi. xxvi, fig. 10. Mus. No. 2184.Goniobasis sublaevis (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 567, pi. xlii, figs. 5a, b. Rev.Non-Marine Foss. Moll., p. 57 or 463, pi. xxvi, fig. 18. Mus. No. 2145.Goniobasis tenuicarinata (M. & H.)Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 566, pi. xliii, figs. 14a-c.Rev. Non-Marine Foss. Moll., p. 57 or 463, pi. xxvi, fig. 11. Mus. No. 2141.Goniobasis tenuicarinata (M. & H.) White.Rep. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 212, pi. xxi,figs. 10a, b. Mus. No. 8.597.Helix evanstonensis White.Bull. U. S. Geol. & Geogr. Surv. Terr., vol. iv, p. 714. Rtv. Non-Marine Foss.Moll., p. 48 or 454, pi. xxvii, tigs. 29-31, Mus. No. 12502. 330 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.LARAMIE SPECIES?Continued.Helix kanabensis White.Rep. Geol. Eastern Uinta Mts., J. W. Powell, p. 120. Rev. Non-Marine Foss. Moll.^p. 48 or 454, pi. xxv, figs. 12-14. Mus. No. 8883.Helix (Patula) sepulta White.Proc. U. S. Nat. Mus., vol. iii, p. 160. Rev. Non-Marine Foss. Moll., p. 48 or 454.Mus. No. 8908.Helix ? vetusta (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 552, pi. xlii, figs. 7a, h. Rev.Non-Marine Foss. Moll., p. 48 or 454, pi. xxvii, fig. 28. Mus. No. 2104.Hyalina? occideutalis (M. & H.) Meek.Rep. U. S. Geol. &, Geogr. Surv. Terr., 4to, vol. ix,p. 547, pi. xlii, figs. (ia-d. Rev.Non-Marine Foss. Moll., p. 4G or 470, pi. xxvii, fig. 27. Mus. No. 2106.Hydrobia anthonyi (M. & II.) Meek.Rep. U. S. Geol. ?fc Geogr. Surv. Terr., 4to, vol. ix, p. 571, pi. xliii, figs. lOa-c. Rev.Nou-Marine Foss. Moll., p. 59 or 465, pi. xxvii, fig. 39. Mus. No. 2149.Hydrobia recta White.Rep. Geol. Eastern Uiuta Mts., J. W. Powell, p. 132. Rev. Non-Marine Foss. Moll.,p. 60 or 466, pi. xxvii, fig. 38. Mus. No. 12501.Hydrobia utahensis White.Rep. Geol. Eastern Uinta Mts., J. W. Powell, p. 132. Rev. Non-Marine Foss. Moll.,p. 60 or 466, pi. xxvii, fig. 35. Mus. No. 8870.Hydrobia warrenana (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 572, pi. xliii, figs, lla-c. Rev.Non-Marine Foss. Moll., p. 59 or 465, pi. xxvii, fig. 40. Mus. No. 2147.Limnaea (AceUa) haldemania White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 84, pJ. xxx, figs. 9a, b. Rev.Nou-Mariue Foss. Moll., p. 39 or 445, pi. vi, figs. 18, 19. Mus. No. 8163.Limnaea? compactilis(Meek) White.Rev. Non-Marine Foss. Moll., p. 39 or 445, pi. xxvi, fig. 14. Mus. No. 8207.Limnaea (Limnophysa) nitidula Meek.Rep. Expl. Great Basin of Utah, J. H. Simpson, p. 363, pi. v, fig. 14. Rev. Non-Marine Foss. Moll., p. 39 or 445, pi. vi, figs. 15, 16. Mus. No. 685.Limnaea (Pleurolimnaea) tenuicostata (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 534, pi. xliv, figs. 13a-c. Rev.Non-Marine Foss. Moll., p. 39 or 445, pi. xxiii, fig. 24. Mus. No. 1248'<.Melanopsis ? americana White.Rev. Non-Marine Foss. Moll., p. 55 or 461, pi. xxiii, figs. 21-23. Mus. Nos. 11559,12495.Melania insoulpta (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 94, pi. xx, fig. 4a. Mus. No. 8197.Melania insculpta (Meek) White.Rev. Non-Marine Foss. Moll., p. 54 or 460, pi. xxvi, figs. 4, 5. Mus. No. 12490.Melania wyomingensis (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 95, j)!. xxviii, figs. 6a, b. Rev.Nou-Marine Foss. Moll., p. 54 or 460, pi. xxvi, fig. 2. Mus. No. 9018.Melania ^wyonlingensis (Meek) White.Rev. Non-Marine Foss. Moll., p. 54 or 460, pi. xxvi, fig. 3. Mus. No. 12491.Melania wyomingensis Meek.Ann. Rep. U. S. Geol. & Geogr, Surv. Terr, for 1872, p. 516 (not figured specimens.)Mus. No. 7833. 1835. J PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM, 331LARAMIE SPECIES -Contiuuefl.Micropyrgus minutulus (M. & H.) Meek.Rep. U. S. GeoL & Geogr. Snrv. Terr., 4to, vol. ix, p. 575, pi. xliii, figs. 18a, b. Rev..Non-Marine Fosh. Moll., p. 59 or 465, pi. xxvi, fig. 20. Mus. No. 2137.Neritina bruneri White.Rev. Non-Marine Foss. Moll., ]>. 53 or 4b0, pi. xxiii, figs. 14, 15. Mus. No. 11558.Neritina naticiformis White.12th Ann. Rep. U. S. Geol. &. Geogr. Surv. Terr., p. 89, pl.xxx, figs. 3a, 6. Rev.Non-M.iriuo Foss. Moll., x>. 52 or 458, pi. vii, figs. 5, 6. Mus. No. 12485.Neritina (Velatella) baptista White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Rerr., p. 89, pi. xxix, -figs. Ga, h. "Rev^Non-Marine Foss. Moll., p. 52 or 458, pi. xxiii, figs. 16, 17. Mus. No. 12504.Neritina volvilineata White.12tli Ann. Rep. U. 8. Geol. & Geogr. Surv. Terr., p. 88, pi. xxi, figs. 6a, h. Rev. Nou-Marine Foss. Moll., p. 52 or 4.58, pi. xxiii, figs. 12, 13. Mus. No. 8198.Nuculana inclara White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 60, pi. xxv, fig. 7a. Mus. No.8122.Odontobasis buccinoides White.12th Ann. Rei>. U. S. Geol. & Geogr. Surv. Terr., p. 102, pi. xx, figs. 3a, h. Mus.,No. 9U4.".Odontobasis? formosa White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 103, pi. xxviii, fig. 7a. Mus..No. 9046.Ostrea arcuatilis (Meek), glabra (M. ?fe H.) White.Rev. Non-Marine Foss. Moll., p. 15 or 421, pi. x, fig. 5. Rev. Foss. Ostreidfe N. A.,p. 308, pi. lix, fig. 5. Mus. No. 7839.Ostrea glabra (M. ?fe H.) Meek.Rep. U. S. Geol. & Geogr. Surv, Terr., 4to, vol. ix, p. 509, pi. xl, figs. 2a-d. Rev.Non-Marine Foss. Moll., p. 15 or 421, pi. ix, figs. 1,2. Rev. Foss. Ostreidae N.A., p. 307, ijL Iviii, figs. 1,2. Mus. No. 2165.Ostrea glabra (M. ?fc H.) White.Rev. Non-Marine Foss. Moll., p. 15 or 421, pi. ix, figs. 3, 4; pi. x, figs. 1, 2. Rev.Foss. Ostreidse N. A., p. 307, pi. Iviii, figs. 3,4 ; pi. lix, figs. 1,2. Mus. No.13407.Ostrea glabra (M. & H.) White.Rev. Nou-Marine Foss. Moll., p. 15 or 421, pi. xi, figs. 1,2. Rev. Foss. OstreidseN. A., pi. Ix, figs. 1,2. Mns. No. 12472.Ostrea insecuris White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. .56, pl. xxi, figs, la, h. Rev.Non-Marine Foss. Moll., p. 15 or 421, pl. x, figs. 3,4. Rev. Foss. Ostreidae N.A., p. 308, pl. lix, figs. 3, 4. Mns. No. 9053.Ostrea subtrigonalis ('E, & S.) White.Rev. Non-Marine Foss. Moll., p. 15 or 42], pl. xii, figs. 2-5. Rev. Foss. OstreidaeN.A., p. 308, pl. Ixi, figs. 4-7. Mus. No. 8386.Ostrea subtrigonalis ? (E. & S ) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix,p. 510, i>l. xl, figs, la-(Z. Mus.No. 2172.Ostrea (-wyomingensis Meek) glabra White.12th Ann. Rep. U. S. Geol. &, Geogr. Surv. Terr., p. 56, pl. xx, figs. la-c. Rev. Non-Marine Foss. Moll., p. 15 or 421, pl. xi, figs. 3, 4 ; pl. xii, fig. 1. Rev. Foss-Ostreidaj N. A., p. 307, pl. Ix, figs. 3, 4 ; pl. Ixi, fig. 1. Mus. No. 9062. 332 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.LARAMIE SPECIES?Continued.Physa ? White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 85, pi, xxx, fig. 11. Rev. Non-Marine Fo88. Moll., p. 43 or 449, pi. vi, fig. 17. Mus. No. 12484.Physa copei White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 85, pi. xxiv, figs. 4a, h. Rev.Non-Marine Foss. Moll., p. 44 or 450, pi. xxv, figs. 1, 2. Mus. No, 12470.Physa felix White.12th Ann. Rep. U. S. Geol. & Geogr. Snrv. Terr., p. 84, pi. xxii, fig. la. Rev. Non-Marine Foss. Moll., p. 44 or 450, pi. xxv, fig. 3. Mus. No. 90.54.Pisi^ium saginatum White.Rep. Geol. Eastern Uinta Mts., J, W, Powell, p. 128. Rev. Non-Marine Foss. Moll,,p. 34 or 440, [pi. xx, figs. 14, 15]. Mus. No. 8208.Planorbis ? White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 210 (notfigured). Mus. No. ^595.Planorbis aequalis White.Proc. U. S. Mat. Mus., vol. iii, p. 159. Rev. Non-Marine Foss. Moll., p. 42 or 448,pi. xxix, fig. 10. Mus. No. 8909.Planorbis (Bathyomphalus) amplexus (M. & H.) Meek,Rep. U, S. Geol. &. Geogr. Surv. Terr., 4 to, vol. ix, ji. 539 (not the figured speci-men). Mus. No. 2105.Planorbis (Bathyomphalus) kanabensis White.Re]). Geol. Eastern Uinta Mts., J. W. Powell, p. 119. Rev. Non-Marine Foss. Moll,,p. 41 or 447, pi. xxvii, figs. 21-23. Mus. No. 12506.Planorbis (Bathyomphalus) planoconvexus (M. & H.) Meek.Rep. U. S. Geol. &. Geogr. Surv. Terr,, 4to, vol, ix, p, 538, pi. xliv, figs. 9a-c. Rev.Non-Marine Foss. Moll., p. 41 or 447, pi. xxvii, figs. 17, 18. Mus. No, 2182.Planorbis convolutus (M, &, H.) Meek.Rep, U. S. Geol. ?&. Geogr, Surv, Terr., 4to, vol. ix, p. 53C, pi, xlii, figs, 12a, b. Mus.No. 2167.Planorbis convolutus (M. ?& H.) var. Meek.Rep. U. S. Geol. & Geogr, Surv, Terr., 4to, vol. ix, p. 538, pi. xlii, figs, lla-c.Rev. Non-Marine Foss. Moll., p. 41 or 447, pi. xxvii, fig. 16, Mus, No. 2176,Pyrgulifera humerosa Meek.Rep. Expl. Great Basin of Utah, J. H, Simpson, p. 363, pi, v, figs. 6tt-c, Mus.No, 498.Pyrgulifera humerosa Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 176, pi. xvii, fig, 19; fig, 6 on p. 177.Rev. Non-Marine Foss, Moll., p. 54 or 460, pi. vi, figs. 4, 5. Mus, Nos, 12470,12499.Rhytophorus meekii White.12th Ann. Rep. U. S. Geol, & Geogr, Surv. Terr., p. 82, pi, xxx, figs, 8a, h. Rev, Non-Marine Foss, Moll., p. 38 or 444, pi. viii, figs. 4, 5. Mus, No. 81.59.Rhytophorus prisons Meek.Rep. Expl. Great Basin of Utah, J. H. Simpson, p. 364, pi. v, figs. 4a, b. Rev. Non-Marine Foss. Moll. , p. 38 or 444, pi. viii, figs. 2, 3. Mus. No. 500.Spheerium ? White.Rep, U, S, Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p, 208 (notfigured). Mus. No, 8593.Sphaerium formosum (M. & H.) Meek.Rep. U. S. Geol, & Geogr. Surv, Terr., 4to, vol. ix, p. 526 (not the figured specimen),Mus. No. 2125, 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 333LARAMIE SPECIES?Continued.Sphaerium planum (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Suiv. Terr., 4to, vol. ix, p. 526, [pi. xliii, figs. 6a, 6]. Rev.Nou-Marine Foss. Moll., !>. 33 or 439, [pi. xvii, fig. 8]. Mus. No. 2130.Sphaerium recticardinale (M. & H.) Meek.Re^i. U. S. Geo). & (Jeogr. Surv. Terr., 4to, vol. ix, p. 527, [pi. xliii, figs. 3a, b']. Rev.Noii-Marine Foss. Moll., p. .33 or 439, [pi. xvii, fig. 9]. Mu8. No. 2129.Thaumastus limnaeiformis (M. & H.) Meek.Rep. U. S. Geo). & Geogr. Surv. Terr., 4to, vol. ix, p. 553, [pi. xliv, figs. 8, a-d'}. Mus.No. 2111.Tulotoma thompsoni White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 100, pi. xxviii, fig. 2ef Rev. Non-Marine Foss. Moll., p. Gl or 4G7, pi. xxiv, fig. 17. Mus. No. 9026.Tulotoma thompsoni White.12th Ann. Rep. U.^. Geol. & Geogr. Surv. Terr., p. 100, pi. xxviii, figs. 2a-/i. Rev.Nou-Marine Foss. Moll, p. 61 or 467, pi. xxiv figs. 17-22. Mus. No. 9026.Unio aldrichi White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 62, pi. xxix, figs. 2?, b. Rev. Nou-Marine Foss. Moll , p. 27 or 433, pi. xv, figs. 4, 5. Mus. No. 9042.Unio belliplicatus (Meek) White.Rev. Non-Marine Foss. Moll., p. 24 or 430, pi. vi, fig. 1. Mus. No. 8146.Unio belliplicatus var. Meek.(Indicated as varieties by F. B. Meek, but not published.)Unio brachyopisthus White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr. , p. 64, pi. xxii, figs. 2a, b. Mus. No.9051.Unio couesii White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 64, pi. xxvii, fig. la. Rev. Non-Marine Foss. Moll., p. 26 or 432, pi. xvi, fig. 1. Mus. No. 9033.Unio cryptorhynchus White.12th Anu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 68, pi. xxiv, figs, la, &. Rev.Nou-Marine Foss. Moll., p. 25 or 431, pi. xiv, fig. 6. Mus. No. 12503.Unio cryptorhynchus White.Rev. Non-Marine Foss. Moll., p. 25 or 431, pi. xiv, fig. 7. Mus. No. 12483.Unio danae (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 517, pi. xll, figs. 3a-c. Mus.No. 2163.Unio danae (M. ?fc H.) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 68, pi. xxvii, figs. 2a, b. Rev.Nou-Marine Foss. Moll., p. 27 or 433, pi. xviii, figs. 1, 2. Mus. No. 9021.Unio deweyanus (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol.ix, p. 519, pi. xli, figs. 2a-c. Rev.Non-Marine Foss. Moll., p. 25 or 431, pi. xvii, figs. 4, 5. Mus. No. 2175.Unio endlichi White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 66, pi. xxvi, figs, la, b. Rev.Non-Marine Foss. Moll., p. 26 or 432, pi. xv, figs. 1, 2. Mus. No. 9022.Unio gonianibonatus White.12th Auu. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 63, pi. xxix, figs, la, b. Rev.Non-Marine Foss. Moll., p. 27 or 433, pi. xix, figs. 3, 4. Mus. No. 9043.Unio gonionotus White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 71, pi. xxvi, figs. 2a, c-e. Rev.Non-Marin? Foss. Moll., p. 27 or 433, pi. xiii, figs. 7, 9, 10. Mus. No. 9035. 334 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.LARAMIE SPECIES?Conthnied.TJnio holmesianus White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 67, pi. xsii, figs. ia-e. Rev. Non-Mai ine Fos". Moll., p. 27 or 433, pi. xvi, figs. 2-6. Mus. No. 9041.Unio niendax White.Bull. U. 8. Geo!. & Geogr. Surv. Terr., vol. iii, p. 605. Rev. Nou-Marine Foss. Moll.,p. 27 or 433, pi. xviii, figs. 3-5. Mus. No. 8873.Unio primaerus White.12th Ann. Rep. U. S. Geol. & Geogr. Snrv. Terr., p. 70, pi. xxix, fig. 36. Rev. Non-Marine Foss. Moll., p. 26 or 432, pi. xlv, figs. 4, .5. Mus. No. 12474.Unio prisons (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 516, pi. xliii, fig. 8d. Rev. Non-Marine Foss. Moll., p. 26 or 432, pi. xiv, fig. 1. Mus. No. 2162.Unio proavitus White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 65, pi. xxii, figs. '3a-d. Rev.Non-Marine Foss. Moll., p. 27 or 433, pi. xiii, figs. 3-6. Mus. No. 9036.Unio propheticus White.12tli Anu.Rep. U. S. Geol. & Geogr. Surv. Terr., p. 65, pi. xxii, fig. 5a. Rev. Non-Marine Foss. Moll., p. 27 or 433, pi. xv, fig. 3. Mus. No. 9052.Unio senectus White.12th Ann. Rep. U. S. Oeol, & Geogr. Surv. Terr., p. 69, pi. xxviii, figs. la-c. Rev.Non-Marine Foss. Moll., p. 26 or 432, pi. xix, figs. 1, 2. Mus. No. 8141.Unio subspatulatus Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 518, pi. xli, figs, la, h. Rev.Non-Marine Foss. Moll., p. 25 or 431, pi. xiv, figs. 2, 3. Mus. No. 2164.Unio vetustus Meek.Rep. Geol. Expl. 40tli Parallel, vol. iv, part i, p. 164, pi. xvi, figs. 5a, &. Rev. Non-Marine Foss. Moll., p. 24 or 430, pi. vii, fig. 1. Mus. No. 7764.Unio vetustus (Meek) White.Rev. Non-Marine Foss. Moll., p. 24 or 430, pi. vii, fig. 4. Mus. No. 8147.Unio vetustus Meek.Rep. Expl. Great Basin of Utah, J. H. Simpson, p. 361, pi. v, figs. 12a, I. Mus. No.492.*Unio vetustus (Meek) White.Rep. U. S. Geogr. & Geol. Surv. west of lOOtli Meridian, p. 206, pi. xxi, figs. 12a-d. Mus. No. 8591.Valvata ? montanaensis Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 591, figs. 81-83 on p. 591.Rev. Non-Marine Foss. Moll., p. 64 or 470, pi. xxvii, fig. 24. Mus. No. 2177. r.Vitrina obliqua (M. & U.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 545, pi. xlii, figs. 10a, h.Rev. Non-Marine Foss. Moll., p. 46 or 452, pi. xxvii, figs. 32, 33. Mus. No. 2108.Viviparus ? White.Rep. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 215, pi. xxi,figs. 7a, b. Mus. No. 8609.Viviparus conradi (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 579, pi. xlii, figs. 15c, d. Mus.No. 21.56.Viviparus conradi (M. ?& H.) White.Rev. Non-Marine Foss. Moll., p. 61 or 467, pi. xxiv, figs. 4-6. Mus. No. 2156. * A mistake ; this is really Unio mendax White. 1S85.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 335LARAMIE SPECIES?Continued.Viviparus coiiesii White.l:2tli Ann. Rep. U. 8. Geol. & Geogr. Surv. Terr., p. 99, pi. xxx, fig. la. Rev. Non-Marine Fobs. Moll., p. (il or 467, pi. viii, fig. 1. Mus. No. 8151.Viviparus ionicus Wliite.Rep. Geogr. & Geo!. Suiv. west? of lOOtb Meridian, vol. iv, parti, p. 215, pi. xxi,ligs. 7(1, b. Mu.s. No. 8(308.Viviparus leai (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 577, pi. xliv, figs. 6a-c. Mus.No. 2154.Viviparus leai (M. & H.) White.Rev. Non-Marine Foss. Moll., p. 61 or 467, pi. xxvii,figs. 10-14. Mus. Nos, 8148,12480.Viviparus leidyi (M. ?fc H.) Meek.Rep. U.S. Geol. &, Geogr. Surv. Terr.,4to, vol. ix, p. 582, pi. xliv, fig. 4. Rev.Non-Marine Foss. Moll., p. 61 or 467, pi. xxiv, fig. 7. Mus. No. 12489.Viviparus leidyi var. formosus (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 583, pi. xliv, figs. 3a-c.Rev. Non-Marine Foss. Moll., p. 61 or 467, pi. xxiv, figs. 8, 9. Mus. No. 2159.Viviparus panguitchensis White.Rep. Geol. Uinta Mts., J. W. Powell, p. 123. Rev. Non-Marine Foss. Moll., p. 61or 467, pi. XXV, figs. 19-21. Mus. No. 8145.Viviparus plicapressus White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 98, pi. xxviii, figs. 3a, h. Rev.Non-Marine Foss. Moll., p. 61 or 467, pi. xxiv, figs. 25, 26. Mus. No. 8199.Viviparus prudentius White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 98, pi. xxviii, figs, ba, b. Rev.Non-Marine Foss. Moll., p. 61 or 467, pi. xxv, figs. 17, 18. Mus. No. 9031.Viviparus raynoldsianus Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 584, pi. xliv, figs. 7a, b. Rev.Non-Marine Foss. Moll., p. 61 or 467, pi. xxv, figs. 22, 23. Mus. No. 1970.Viviparus retusus (M. & H.) White.Rev. Non-Marine Foss. Moll., p. 61 or 467, pi. xxiv, figs. 1-3. Mus. No. 8143.Viviparus trochiformis (M. ?fe H.) White.Rev. Non-Marine Fo.ss. Moll., p. 61 or 467, pi. xxiv, figs. 10-16. Mus. No. 8144.Viviparus trochiformis (M. & H.) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part 1, p. 214, pi.xxi, figs. 4a-c. Mus. No. 8601.Viviparus trochiformis (M. & H.) var. White.Rep. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 215, pi. xxi,figs. 5a, b. Mus. No. 8598.Volsella (Brachydontes) laticostata White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 59, pi. xxv, fig. 4a. Rev. Non-Marine Foss. Moll., p. 17 or 423, jil. xiii, fig. 2. Mus. No. 8121.Volsella (Brachydontes) regularis White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., pp.58, 59, pi, xxv, fig. 3a. Rev.Non-Marine Foss. Moll., p. 17 or 423, pi. xiii, fig. 1. Mus. No. 9044. 336 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.EOCENE SPECIES.Busycon ? blakei Conrad.Rep. Exi)l8. & Survs. Mississippi River to the Pacific Ocean, vol. v, p. 322, pi. ii, fig.13. Mas. No. 1863.BythineJIa gregaria Meek.12th Ann. Rep. U. S. Geo). & Geogr. Surv. Terr., p. 48, pi. xix, fig.s. 6a, b. Rev. Non-Marine Foss. Moll., p. 60 or 466, pi. xxviii, figs. 12, 13. Mus. No. 7836.Cardita planicosta (Lamarck) Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 161, pi. xix, fig. 2. Mus. No. 9900.*Cardita planicosta (Lamarck) Conrad.Rep. Expls. & Survs. Mississippi River to the Pacific Ocean, vol. v, p. 321. Mus. No.1837.Cardium linteum Conrad.Rep. Expls. &, Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. v, p. 320,pl.ii,fig. 1. Mus. No, 1834.Corbicula powelli White.Rep. Geo), of Eastern Uinta Mts., J. W. Powell, p. 127. Mus. No. 12508.Crassatella alta Conrad.Rep. Expls. Survs. Mississippi River to the Pacific Ocean, vol. v, p. 321 (not figured).Mas. No. 1838.Crassatella declivis Heilprin.Proc. U. S. Nat. Mus., vol. iii, p. 151, pi.? , fig. 9. Mus. No. 2490.Cytherea nuttali Conrad.Rep. U. S. &, Mex. Bound. Surv., vol. i, part ii, p. 162, pi. iv, fig. 5. Mus. No. 9905.Dosinia alta Conrad.Rep. Expls. & Survs. Mississippi River to the Pacific Ocean, vol. v, p. 320, pi. ii, fig. 2.Mus. No. 1835.Eucheilodon creno-carinata Heilprin,Proc. U. S. Nat. Mus., vol. iii, p. 1.50, pi. ? , fig. 4. Mus. No, 8921.Fusus marnochi Heilprin.Proc. U. S. Nat, Mus,, vol. iii, p. 151, pi. ? , fig. 6. Mus. No. 8917.Goniobasis tenera (Hall) White.Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 212,[pi. xxi, figs, llo-c]. Mus. No. 8603.Goniobasis tenera (Hall) White.Rev. Non-Marine Foss. Moll., p. 58, pi. xxxi, figs. 1-30. Mus. No. 8887.Goniobasis simpsoni Meek.Rep. Expls. Great Basin of Utah, J. H. Simpson, p, 365, pi, v, fig. le. Rev. Non-Marine Foss. Moll., p. 58 or 464, pi. xxxi, fig. 2. Mus. No. 691.Helix peripheria White.Rep. Geol. Eastern Uinta Mts., J. W. Powell, p. 130. Rev. Non-Marine Foss. Moll,,p. 49 or 4.55, pi. xxix, figs. 11, 12. Mus, No, 8882,Helix riparia White.Rep. Geol. of Eastern Uinta Mts., J. W. Powell, p. 130. Rev. Non-Marine Foss. Moll,,p. 49 or 455, pi, xxix, figs, 13, 14, Mus, No, 8881,Helix ? veterna (M, & H,) Meek.Rep, U, S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 596, pi, xlii, figs, 8a, b. Rev.Non-Marine Foss, Moll,, p, 48 or 454, pi. xxx, figs, 4, 5. Mus. No. 1975. * Not the figured specimen, but marked as a type by T. A. Conrad, 1885.] PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 337Vol. Till, ]?o. 22. IVashing^ton, D. C. ISept. 2, 1 885.EOCENE SPECIES?Continued.Limnaea (Limnophysa) vetusta Meek.Rep. Expls. Great Basin of Utah, J. H. Simpson, p. 367, pi. v, figs. 3a, h. Eep. Geol.Expl. 40th Parallel, vol. iv, part i, p. 191, pi. xvii, figs. 4, a, h. Rev. Non-MarineFoss. Moll., p. 39 or 445, pi. xxix, figs. 22, 23. Mus. No. 693.Limnaea simills Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 191, pi. xvii, figs. 3, a. Eep. Expl.Great Basin of Utah, J. H. Simpson, p. 367, pi. v, fig. 2a, &. Rev. Non-MarineFoss. Moll., p. 39 or 445, pi. xxix, figs. 20, 21. Mus. No. 69iJ.Macrocyclis spatiosa (M. & H.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix,p. 594, pi. xlii, figs. 9a-c. Rev.Non-Marine Foss. Moll., p. 46 or 452, pi. xxx,figs. 1-3. Mus. No. 1974.Meretrix califomiana Conrad.Eep. Expls. & Survs. E. E. E. Mississippi Eiver to the Pacific Ocean, vol. v, p.320, pi. ii, fig. 4. Mus. No. 184^.Mesodesma bishopi White.Eep. Geol. of Eastern Uinta Mts., J. W. Powell, p. 128 (uot figured). Mus. No.12509.Natica eetitis Conrad.Eep. Expls. &. Survs. E. E. E. Mississippi Eiver to the Pacific Ocean, vol. v, p. 321,pi. ii, fig. 7. Mus. No. 1836.Phorus ezoneratus White.Eep. Geol. of Eastern Uinta Mts., J. W. Powell, p. 134 (not figured). Mus. No.12510.Physa bridgerensis Meek.Eep. Expls. & Survs. west of 100th Meridian, vol. iv, part i, p. 210, pi. xxi, fig. 2o.Mus. No. 8596.Physa bridgerensis Meek.12th Ann. Eep. U. S. Geol. & Geogr. Surv. Terr., p. 45, pi. xix, figs. 10a, h. Rev.Non-Marine Foss. Moll., p. 44 or 450, pi. xxx, figs. 9, 10. Mus. No. 9001.Physa pleromatls White.Rep. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 211, pL xxi,figs, la, b. Rev. Non-Marine Foss. Moll., p. 44 or 450, pi. xxx, figs. 6, 7. Mus.No. 8867.Planorbis cequalis W^hite.Proc. U. S. Nat. Mus., p. 1.59. Rev. Non-Marine Fosa. Moll., p. 42 or 448, pi. xxix,figs. 8-10. Mus. No. 12486.Planorbis cirratus White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 44, pi. xix, figs. 5a-c. Rev.Non-Marine Foss. Moll., p. 42 or 448, pi. xxix, fig. 7. Mus. No. 9005.Planorbis spectabilis Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 190, pi. xvii, figs. 13(i-/. Mus.No. 694.Planorbis spectabilis Meek.Rep. Expls. Great Basin of Utah, J. H. Simpson, p. 366, pi. v, figs. 7a-d. Rev. Non-Marine Foss. Moll., p. 41 or 447, pi. xxix, figs. 4-6. Mus. No. 695.Planorbis spectabilis var. utahensis Meek.Eep. Expls. Great Basin of Utah, J. H. Simpson, p. 367, pi. v, figs. 8a-c. Eev. Non-Marine Foss. Moll., p. 41 or 447, pi. xxix, figs. 1-3. Mus. No. 697.Proc. Nat. Mus. 85 22 338 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.EOCENE SPECIES?Continued.Planorbis spectabilis var. utahensis Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 182, pi. xvii, figs, lia-c. Mns.No. 697.Planorbis utahensis (Meek) White.Rep. Expls. & Survs. west of 100th Meridian, vol. iv, part i, p. 209, pi. sxi, fig. 8a-Mus. No. 8599.Pleurotoma pagoda Heilprin.Proc. U. S. Nat. Mus., vol. iii, p. 149, pi. ?, fig. 1. Mus. No. 1505.Pleurotoma platysoma Heilprin.Proc. U. S. Nat. Mus., vol. iii, p. 150, pi. ?, fig. 3. Mus. No. 8916.Pleurotoma venusta Heilprin.Proc. U. S. Nat. Mus., vol. iii, p. 150, pi. ? , fig. 2. Mus. No. 1.509.Pupa arenula White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 46, pi. xix, figs. 8a, b. Rev.Non-Marine Foss. Moll., p. 50 or 456, i)l. xxix, fig. 19. Mus. No. 9002.Pupa atavuncula White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 46, pi. xix, fig. 9a. Rev. Non-Marine Foss. Moll., p. 50 or 456, pi. xxix, fig. 18. Mus. No. 9002.Pupa (Leucocheila) incolata White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 47, pi. xix, figs. 7a-c. Rev. Non-Marine Foss. Moll., p. 50 or 456, pi. xxix, figs. 15-17. Mus. No. 9004.Scalaria unilineata Heilj)rin.Proc. U. S. Nat. Mus., vol. iii, p. 150, pi. ? , fig. 5. Mus. No. 8920.Succinea (^Brachyspira) papillispira White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 45, pi. xix, fig. 4a. Rev. Non-Marine Foss. Moll., p. 51 or 457, pi. xxix, fig. 26. Mus. No. 9008.Terebra plicifera Heilprin.Proc. U. S. Nat. Mus., vol. iii, p. 151, pi. ? , fig. 8. Mus. No. 8919.Turritella uvasana Conrad.Rep. Expls. & Survs. Mississippi River to the Pacific Ocean, vol. v, p. 321, pi. ii,fig. 12. Mus. No. 1870.Unio clinopisthus White.Rev. Non-Marine Foss. Moll., p. 28 or 434, pi. xxviii, figs. 1, 2. Mus. No. 8359.Unio meekii White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 43, pi. xix, fig. la. Mus. No.7833.Unio shoshonensis White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 41, pi. xix, figs. 2a, b. Eev.Non-Marine Foss. Moll., p. 29 or 435, pi. xxviii, fig. 3. Mus. Nos. 8098, 8099.Unio vrashakiensis (Meek) White.12th Ann. Rep. U. S. Geol. & Geogr. Surv. Terr., p. 42, pi. xix, figs. 2a, b. Rev. Non-Mariue Foss. Moll., p. 29 or 435, pi. xxviii, figs. 6, 7. Mus. Nos. 9006, 9007.Unio washakiensis (Meek) White.Rev. Non-Marine Foss. Moll., j). 29 or 435, pi. xxviii, fig. 8. Mus. No. 8876.Viviparus paludinaeformis (Hall) White.Rev. Non-Marine Foss. Moll., p. 62 or 408, pi. xxx, figs. 11, 12. Mus. No. 8253.Viviparus -wyomingensis (Meek) White.Rev. Non-Marine Foss. Moll., p. 62 or 468, pi. xxx, figs. 13, 14. Mus. No. 8295. 1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 339MIOCENE SPECIES.Ancylus undulatus Meek.Rep. Geo]. Expl. 40tli Parallel, vol. iv, part i, p. 186, pi. svii, figs. 12, 12a. Rev.Non-Marine Foss. Moll., p. 45 or 451, pi. xxxii, fig. 10. Mus. No. 12532.Auomla subcostata Conrad. ^Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. v, p. 325,pi. v, fig. 34. Mus. No. 1865.Anomia subcostata Cnurad.Rep. U. S. & Mex. Bound. Surv., vol. i, part ii, p. 161, pi. xix, figs, la, h. Mus. No.9830.Area devincta Conrad.U. S. Expl. Exp. , vol. X, Geology, p. 726, pi. xviii, figs. 10, a. Mus. No. 3499.Area microdoiita Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. v, pp. 323,324, pi. iii, tig. 29. Mus. No. 1844,Area obispoana Conrad.Rep. Expls. & Survs. R. R. R. Mississipiji River to the Pacific Ocean, vol. vii,p.192, pi. V, fig. 1. Mus. No. 13330.Arcopagia unda Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p. 192,pi. iv, figs. 3, 4. Mus. No. 13328.Astrodapsis antiselli Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p. 196,pi. X, figs. 1, 2. Mus. No. 13337.Axinea barbarensis Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.194, pi. vi, fig. 3. Mus. No. 13358.Balaiius estrellanus Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.195, pi. viii, fig. 1. Mus. No. 13342.Balauus estrellanus Conrad.Rep. Expls. ?fc Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.195 (not the figured specimen). Mus. No. 13316.Bulla petrosa Conrad.U. S. Expl. Exp. , vol. X, Geology, p. 727, pi. xix, fig. 8. Mus. No. 3607.Cardita subtenta Conrad.U. S. Expl. Exp., vol. X, Geology, p. 726, pi. xviii, figs. 12, a. Mus. No. 3502.Cardium modestum Conrad.Rep. Expls. & Survs. R. R. R. Mississippi to the Pacific, vol. v, p. 322, pi. iii, fig.15. Mus. No. 1864.Crassatellrt collina Conrad.Rep. Expls. ?& Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.193, pi. vi,figs. 1, 2. Mus. No. 13339.Crepidula praerupta Conrad.U. S. Expl. Exp. , vol. X, Geology, p. 727, pi. xix, figs. 9, a, 10a, b. Mus. Nos. 3496, 3564.Cyelas estrellana Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 192, pf. vi, fig. 6. Mus. No. 13351.Cyelas estrellaua Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.192 (not the figured specimen). Mus. No. 13314. 340 PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM [1885.MIOCENE SPECIES-Coutinued.Cyclas permacra Conrad.Rep. Expls. &, Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 192, pi, vii, fig. 4. Mus. No. 13340.Dolium petrosum Conrad.U. S. Expl. Exp., vol. X, Geology, p. 727, pi. xix, figs. 3a, h, 4a, h, 5a, &. Mus. No.3536.Donax? protexta Conrad.U. S. Expl. Exp., vol. X, Geology, pp. 723, 724, pi. xvii, fig. 9. Mus. No. 3613.Dosinla longula Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 193, pi. vii, fig. 2. Mus. No, 13343.Dosinla montana Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 194, pi. vi, fig. 4. Mus. No. 13357.Dosinia siibobliqua Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 194, pi. vi, fig. 5. Mus. No. 13356.Fusus corpulentus Conrad.U. S. Expl. Exp. , vol. X, Geology, p. 728, pi. xx, fig. 4. Mus, No, 3551.Galerites oregonensis Dana.U. S. Expl. Exp., vol. X, Geology, p. 729, pi. xxi, figs. 5, 6, a. Mus, No, 3498.Glycimeria estrellanxis Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 194, pi. vii, fig. 5. Mus. No. 13320.Gratelupia ? mactropsis Conrad.Rep. Expls. & Survs. R. R. R. the Mississippi to the Pacific, vol. v, p. 328, pi. vi,fig. 54. Mus. No. 1843.Helix leidyi (H. & M.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 604, pi. xlv, figs. 7a, b. Rev.Non-Marine Foss. Moll. , p. 49 or 455, pi. xxxii, figs. 32, 33. Mus. No. 2102.HeUx leidyi (H. & M.) White.Rep. Expls. & Survs. west of 100th Meridian, vol. iv, part i, p, 211, pi. xxi, figs. 3a-c.Mus. No. 8590.Hiunites crassa Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 190, pi. ii, figs. 1,2. Mus. No. 13336.Latia dallii White.Rev. Non-Mariue Foss. Moll., p. 45 or 451, pi. xxxii, figs. 37-40. Mus, No, 11547.Limnasa (Polyrhytis) kingii Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 192, figs. 6, 7, on p. 192. Rev. Non-Marine Foss. Moll., p, 40 or 446, pi, xxxii, figs. 30, 31. Mus. No, 8097,Limncea shumardi (M. & H.) Meek.Rep, U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 599, pi. xlv, figs. Ga, h. Rev.Non-Mariue Foss. Moll., p. 40 or 446, pi. xxxii, figs. 28, 29. Mus. No. 2119.Lutraria transmontana Conrad.Rep. Expls. ?fe Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 194, pi. V, fig. 6. Mus. No. 13322.Lutraria traskei Conrad.Rep. Expls. & Survs. R. R, R. Mississippi River to the Pacific Ocean, vol. v, p. 324,pi, iii, fig. 23. Mus. No. 1848. 1865.] PKOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 341MIOCENE SPECIES?Continued.Mactra ? gaviotensis Conrad.Kep. Expls. & Survs. R. R. R, Mississippi River to the Pacific Ocean, vol. vii, p. 194,pl.vii,fig.4. Mu8. No. 13310.Modiola contracta Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. v, p. 325,pi. V, fig, 35. Mus. No. 1853.Mya abrupta Conrad.U. S. Espl. Exp., vol. X, Geology, p. 723, pi. xvii, figs. 5, a. Mus, No. 3608.Mytilus inezensis Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p. 194,pl.viii,fig8.2,3? Mus. No. 13319.Natica inezana Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.195, pi. X, figs. 5, 6. Mus. No. 12359.Natica inezana Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to Pacific Ocean, vol, vii, p. 195,pi. X, figs. 5, 6. Mus. No. 12359,Nautilus angustatus Conrad.U. S. Expl. Exp., vol. X, Geology, p. 728, pi, xx, fig. 5. Mus. No. 3610.Nucula impressa Conrad.U. S. Expl. Exp., vol. X, Geology, p. 726, pi. xviii, figs. 7c-?. Mus. Nos. 3490, 3491.Ostrea contracta Conrad.U. S, & Mex. Bound. Surv., vol. i, part ii, p, 160, pi. xviii, figs. a-d. Mus. No. 9904.Ostrea panzana Conrad.Rep. Expls. & Survs. R. R, R. Mississippi River to the Pacific Ocean, vol. vii, p, 193,pi. ii, fig. 4. Mus. No. 13313.Ostrea subjecta Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to Pacific Ocean, vol. vii, p. 193, pi.ii, fig. 3. Mus. No. 13338.Ostrea vespertiiaa Conrad.U. S. & Mex. Bound. Surv., vol. i, part ii, p. 160, pi. xvii, figs. la-d. Rev. Foss. Os-treida N. A, , p, 315, pi. Ixxi, figs. 2-5. Mus, No, 9832.Pachydesma inezana Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p. 193,pi. V, figs, 2, 4. Mus, No, 13315.Pallium estrellanum Conrad.Rep, Expls. & Survs. R, R. R, Mississippi River to the Pacific Ocean, vol. vii, p. 191,(not the figured specimens). Mus. No. 13317.Pecten discus Conrad.Rep. Expls. & Survs, R, R. R. Mississippi River to the Pacific Ocean, vol, vii, p.190, pi. iii, fig, 1, Mus, No. 13335,Pecten hermanii Conrad,Proc, Acad, Nat, Sci, Philad. , vol, vii, p, 267, Mus. No. 13309.Pecten magnolia Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.191 (not the figured specimen). Mus, No, 13311.Pecten meekii Conrad.Rep. Expls. & Siirvs. R. R. R. Mississippi River to the Pacific Ocean, vol, vii, p,190, pi. i, fig. 1. Mus. No, 13333,Pecten propatulus Conrad.U, S. Expl, Exp., vol. X, Geology, p. 726, pi. xviii, figs. 13, a. Mus, No. 3504. 342 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.MIOCENE SPECIES?Continued.Pectmiculus patulus Conrad.U. S. Expl. Exp., vol. X, geology, p. 7"26, pi. xviii, figs. 8, a. Mns. No. 3605.Perna montana Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.195 (not figured). Mus. No. 13329.Physa secalina (E. & S.) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 604, pi. xlv, figs. 4a, h. Rev.Non-Marine Foss. Moll., p. 44 or 450, pi. xxxii, figs. 35,36. Mus. No. 2140.Planorbis nebrasceusis (E. & S.) Meek.Rej). U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 600, pi. xlv, figs. 2a, b. Rev.Non-Marine Foss. Moll., p. 42 or 446, pi. xxxii, figs. 22,23. Mus. No. 2170.Planorbis vetustus (M. & H. ) Meek.Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 601, pi. xlv, figs. la-c. B,ev.Non -Marine Foss. Moll., p. 42 or 446, pi. xxxii, figs. 16-18. Mus. No. 2171.Scutella striatula.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,pi. ix, figs, la, b. Mus. No. 13334.Sigaretus scopulosus Conrad.U. S. Expl. Exp., vol. X, geology, p. 727, pi. xix, figs. 6, a. Mus. No. 3553.Solemya ventricosa Conrad.U. S. Expl. Exp., vol. X, geology, p. 723, pi. xvii, figs. 7,8. Mus. Nos. 3567, 3486.Sphaerium idahoense Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 183, pi. xvi, figs. 1, a. Mus.No. 12520.Sphaerium rugosum Meek.Rep. Geol. Expl. 40th Parallel, vol. iv, j)art i, p. 182, pi. xvi, figs. 2,a,b. Mus.No. 12521.Tapes inezensis Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii,p. 192, pi. vii, fig. 1. Mus. No. 13341.Tapes montana Conrad.Rep. Expls. & Sur^rs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, p.192, pi. V, figs. 3-5. Mus. No. 13321.Tellina arctata Conrad.U. S. Expl. Exp., vol. X, geology, p. 725, pi. xviii, figs. 3, a. Mus. No. 3849.Tellina congesta Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. v, p. 323,pi. iii, tigs. 21, a. Mus. No. 1849.Terebratula nitens Conrad.U. S. Expl. Exp., vol. X, geology, p. 726, pi. xix, figs. l,o. Mus. No. 3487.Teredo substriata Conrad.U. S. Expl. Exp., vol. X, geology, p. 728, pi. xx, fig. 7. Mus. No. 3481.Trochita costellata Conra. Expls. &. Survs. R. R. R. from Mississippi River to the Pacific Ocean, vol. vii,p. 195, pi. viii, lig. 5. Mus. No. 1334(i.Venus bisecta Conrad.U. S. Expl. Exp., vol. X, Geology, p. 7'24, pi. xvii, figa. 10, a. Mus. No. 3518.Venus brevilineata Conrad.U. S. Expl. Exp., vol. X, Geology, p. 724, i)l. xvii, fig. 13. Mus. No. 360G.Venus lamellifera Conrad.U. S. Expl., Exp. vol. x. Geology, p. 724, pi. xvii, fig. 12a. Mus. No. 3611.Venus pajaroana Conrad.Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol. vii, i>. 192,pi. iv, figs. 1, 2. Mus. No. 13318.POST-TERTIARY AND TERTIARY SPECIES OF DOUBTFUL AGE.Ancylus undulatus Meek.Tertiary. Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 186, pi. xvii, fig. 126.Mus. No. 12532.Anomia subcostata Conrad.Tertiary. U. S. & Mex. Bound. Surv., vol, i, part ii, p. 161, pi. xix, figs, la, b. Mus.No. 9830.Carinifex (Vorticifex) binneyi Meek.Tertiary. Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 187, pi. xvii, figs. 11, a.Mus. No. 12542.Carinifex (Vorticifex) tryoni Meek.Tertiary. Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 188, pi. xvii, figs. 10,a, h, Mus. No. 12544.Carinifex (Vorticifex) tryoni var. concava Meek.Tertiary. Rep. Geol. Expl. 40th Parallel, vol. iv, part i, i?. 189, pi. xvii, fig. 10c.Mus. No. 13416-Cassidula alveata Conrad.Tertiary. Rep. U. S. & Mex. Bound. Surv., vol, i, part ii, p. 163, pi. xix, figs. 9a, 6.Mus. No. 9901.Corbula nasuta Conrad.Tertiary, Rep, U, S, & Mex, Bour d. Surv., vol. i, part ii, p. 161, pi. xix, fig. 4. Mus.No. 9899.Crepidula princeps Conrad.Post-tertiary. Rep. Expls, & Survs, R, R. R. from the Mississippi to the Pacific,vol. V, p. 326, pi. vi, figs. 52, a. Mus. No. 1839.Fissurella crenulata (Sow.) Conrad.Post-tertiary. Rep. Expls. & Survs. R. R. R. from the Mississippi to the Pacific,vol. V, p. 326, pi. V, fig. 44. Mus. No. 1851.Melania? sculptilis Meek.Tertiary. Rep. Geol, Expl. 40th Parallel, vol. iv, part i, p. 195, pi. xvii, fig. 8.Mus. No. 12541.Melania ? subsculptilis Meek.Tertiary. Rep. Geol. Expl. 40th Parallel, vol. iv, part i, p. 196, pi. xvii, fig. 9.Mus. No. 12.551.Natica limula Conrad.Tertiary. Rep. U. S. & Mex. Bound. Surv., vol. i, part ii, p. 162, pi. xix, fig. 7.Mus. No. 9898. 344 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885.Ostrea veleniana Conrad.Tertiary. Eep. U. S. & Mex. Bound. Surv., vol. i, part ii, p. 160, pi. xvii, figB. 2a,h. Rev. Fo88. Ostreidae N. A., p. 314, pi. Ixx, fig. 1. Mus. No. 9902.Pecten altiplicatus Conrad.Tertiary. Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean,vol. vii, p. 191, pi. iii, fig. 2. Miis. No. 13350.Pecten deserti Conrad.Tertiary. Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, vol.V, p. 325, pi. v, fig. 41. Mus. No. 8398.Penitella spelaea Conrad.Post-pliocene. Rep. Expls. ?fe Survs. R. R. R. Mississippi River to the Pacific Ocean, tvol. V, p. 326, pi. V, figs. 43, a, h. Mus. No. 1868. ?Planorbis amnion Gould.Post-tertiary. Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean^vol. V, p. 331, pi. xi, figs. 14-16. Mus. No. 13392.Potamis puUatus Gould.Post-tertiary. Rep. Expls. & Survs. R. R. R. from the Mississippi to the Pacific,vol, V, p. 333, pi. xi, fig. 23. Mus. No. 13393.Sazicava abrupta Conrad.Post-pliocene. Rep. Expls. & Survs. R. R. R. Mississippi River to the Pacific Ocean, ' vol. V, p. 324 (not figured). Mus. No. 1869.Schizothoerus nuttalli Conrad.Post-pliocene. Rep. Expls. *&. Survs. R. R. R. Mississippi River to the Pacific Ocean,vol. V, p. 324, pi. iv, figs. 33, a. Mus. No. 1845.Scutella interlineata Blake.Post-pliocene. Rep. Expls. & Survs. R. R. R. Mississippi River to the PacifiqpOcean, vol. v, [pi. iv, fig. 30] (not named nor described). Mus. No. 1846.Tapes diversum (Sow.) Conrad.Post-tertiary. Rep. Expls. & Survs. R. R. R. from the Mississippi to the Pacific, vol.V, p. 324, pi. iv, figs. 31, 6. Mus. No. 1847.TurriteUa sp. Conrad.Tertiary. Rep. U. S. & Mex. Bound. Surv. , vol. i, part ii, p. 163, pi. xix, fig. 8. Mus.No. 9903.Volutalithea sayana Conrad.Tertiary. Rep. U. S. & Mex. Bound. Surv., vol. i, part ii, p. 162, pi. xix, fig. 6.Mus. No. 9897.