Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061937http://hdl.handle.net/2246/392227 p. ; 24 cm.Includes bibliographical references.2861710 bytesapplication/pdfen-USQL1 .A436 no.930, 1937Tyrannidae -- PeruBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 26, Notes on the genera Agriornis, Muscisaxicola, Myiotheretes, Ochthoeca, Colonia, Knipolegus, Phaeotriccus, Fluvicola, and Ramphotrigon. American Museum novitates ; no. 930Notes on the genera Agriornis, Muscisaxicola, Myiotheretes, Ochthoeca, Colonia, Knipolegus, Phaeotriccus, Fluvicola, and RamphotrigonStudies of Peruvian birds.text