Studies of Peruvian birds. No. 30, Notes on the genera Contopus, Empidonax, Terenotriccus, and Myiobius. American Museum novitates ; no. 1042

Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061939http://hdl.handle.net/2246/482813 p. ; 25 cm.Includes bibliographical references.2003829 bytesapplication/pdfen-USQL1 .A436 no.1042, 1939Tyrannidae -- PeruBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 30, Notes on the genera Contopus, Empidonax, Terenotriccus, and Myiobius. American Museum novitates ; no. 1042Notes on the genera Contopus, Empidonax, Terenotriccus, and MyiobiusStudies of Peruvian birds.text