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[Reply to Dr. J. G. Cooper's article entitled "The Water Birds of North America, Explanations," in The Auk, III, 1886, pp. 401,402.]

Ridgway, Robert (1886)
Description of a new genus of <I>Oceanitido</I>

Ridgway, Robert (1886)
Descriptions of a new species of Elf Owl from Socorro Island, western Mexico

Ridgway, Robert (1886)
On the Glaucous Gull of Bering Sea and contiguous waters

Ridgway, Robert (1886)
A new pigeon from Jamaica

Ridgway, Robert (1915)
The Imperial Woodpecker (<I>Campephilus imperialis</I>) in northern Sonora

Ridgway, Robert (1887)
The Coppery-tailed Trogon (<I>Trogon ambiguus</I>) breeding in southern Arizona

Ridgway, Robert (1887)
Descriptions of some new forms of American cuckoos, parrots, and pigeons

Ridgway, Robert (1915)
Descriptions of three new birds of the families Mniotiltidae and Corvidae

Ridgway, Robert (1902)
Spring arrivals at Washington, D. C

Ridgway, Robert (1892)

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