Studies of Peruvian birds. No. 61, The genera Aglaeactis, Lafresnaya, Pterophanes, Boissonneaua, Heliangelus, Eriocnemis, Haplophaedia, Ocreatus, and Lesbia. American Museum novitates ; no. 1540

Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061951http://hdl.handle.net/2246/370055 p. ; 24 cm.Includes bibliographical references.5324453 bytesapplication/pdfen-USQL1 .A436 no.1540, 1951Hummingbirds -- PeruHummingbirds -- South AmericaBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 61, The genera Aglaeactis, Lafresnaya, Pterophanes, Boissonneaua, Heliangelus, Eriocnemis, Haplophaedia, Ocreatus, and Lesbia. American Museum novitates ; no. 1540Genera Aglaeactis, Lafresnaya, Pterophanes, Boissonneaua, Heliangelus, Eriocnemis, Haplophaedia, Ocreatus, and LesbiaStudies of Peruvian birds.text