Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061941http://hdl.handle.net/2246/474825 p. ; 24 cm.Includes bibliographical references.3595496 bytesapplication/pdfen-USQL1 .A436 no.1126, 1941Tyrannidae -- PeruBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 38, The genera Oreotriccus, Tyrannulus, Acrochordopus, Ornithion, Leptopogon, Mionectes, Pipromorpha, and Pyrocephalus. American Museum novitates ; no. 1126Genera Oreotriccus, Tyrannulus, Acrochordopus, Ornithion, Leptopogon, Mionectes, Pipromorpha, and PyrocephalusStudies of Peruvian birds.text