On two new species of humming birds belonging to the genus Amazilius
Gould, John 1804-1881
Article
1857
The Annals and magazine of natural history; zoology, botany, and geology
19
Series: 2
352--352
BioStor
London Taylor and Francis, Ltd
BioStor: https://biostor.org/reference/90484 DOI: https://doi.org/10.1080/00222935708693944