Studies of Peruvian birds. No. 66, The swallows (Hirundinidae). American Museum novitates ; no. 1723

Zimmer, John T. (John Todd), 1889-1957.2005-10-062005-10-061955http://hdl.handle.net/2246/540235 p. ; 24 cm.Includes bibliographical references.3070002 bytesapplication/pdfen-USQL1 .A436 no.1723, 1955Swallows -- PeruSwallows -- South AmericaBirds -- PeruBirds -- South AmericaStudies of Peruvian birds. No. 66, The swallows (Hirundinidae). American Museum novitates ; no. 1723Swallows (Hirundinidae)Studies of Peruvian birds.Peruvian birds.text