Ridgway's 'The Birds of North and Middle America,' Part VIII
Ridgway, Robert, 1850-1929
Article
1919
The Auk
36
595--597
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124816 DOI: https://doi.org/10.2307/4073396