Simon on the Hummingbirds of Ecuador
Simon, Eugène, 1848-1924
Article
1911
The Auk
28
133--133
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/123807 DOI: https://doi.org/10.2307/4071530