Studies of Peruvian birds. No. 27, Notes on the genera Muscivora, Tyrannus, Empidonomus, and Sirystes, with further notes on Knipolegus. American Museum novitates ; no. 962

Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061937http://hdl.handle.net/2246/386028 p. : ill. ; 24 cm.Includes bibliographical references.3137403 bytesapplication/pdfen-USQL1 .A436 no.962, 1937Tyrannidae -- PeruBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 27, Notes on the genera Muscivora, Tyrannus, Empidonomus, and Sirystes, with further notes on Knipolegus. American Museum novitates ; no. 962Notes on the genera Muscivora, Tyrannus, Empidonomus, and Sirystes, with further notes on KnipolegusStudies of Peruvian birds.text