Studies of Peruvian birds. No. 62, The hummingbird genera Patagona, Sappho, Polyonymus, Ramphomicron, Metallura, Chalcostigma, Taphrolesbia, and Aglaiocercus. American Museum novitates ; no. 1595

Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061952http://hdl.handle.net/2246/402229 p. ; 24 cm.Includes bibliographical references.2571846 bytesapplication/pdfen-USQL1 .A436 no.1595, 1952Hummingbirds -- PeruHummingbirds -- South AmericaBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 62, The hummingbird genera Patagona, Sappho, Polyonymus, Ramphomicron, Metallura, Chalcostigma, Taphrolesbia, and Aglaiocercus. American Museum novitates ; no. 1595Hummingbird genera Patagona, Sappho, Polyonymus, Ramphomicron, Metallura, Chalcostigma, Taphrolesbia, and AglaiocercusStudies of Peruvian birds.text