Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061942http://hdl.handle.net/2246/472816 p. ; 24 cm.Includes bibliographical references.2249844 bytesapplication/pdfen-USQL1 .A436 no.1160, 1942HylophilusSmaragdolaniusCyclarhisVireonidaeBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 41, The genera Hylophilus, Smaragdolanius, and Cyclarhis. American Museum novitates ; no. 1160Genera Hylophilus, Smaragdolanius, and CyclarhisStudies of Peruvian birds.text