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Showing 10 out of a total of 220 results for community: United States National Museum. (0.072 seconds)

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<I>Zonotrichia albicollis</I> in California

Ridgway, Robert (1892)
<I>Colinus virginianus cubanensis</I> not a Florida bird

Ridgway, Robert (1894)
Geographical, versus sexual, variation in <I>Orcortyx pictus</I>

Ridgway, Robert (1894)
<I>Falco dominicensis</I> Gmel., versus <I>Falco sparverioides</I> Vig

Ridgway, Robert (1891)
A new name necessary for <I>Sclasphorus floresii</I>

Ridgway, Robert (1891)
Allen on birds from Quito

Ridgway, Robert (1890)
<I>Cistothorus marianae, Buteo lineatus alleni</I>, and <I>Syraium nebulosum alleni</I> in South Carolina

Ridgway, Robert (1891)
Allen on birds collected in Bolivia

Ridgway, Robert (1890)
Allen on individual variation in the genus <I>Elaniea</I>

Ridgway, Robert (1890)
Allen on the Maximilian types of South American birds

Ridgway, Robert (1890)

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