Systematic notes on Palearctic birds. No. 1, A new swallow from the northern Sahara. American Museum novitates ; no. 1640

Vaurie, Charles.Hartert, Ernst, 1859-1933.Flükiger, Ernst.2005-10-062005-10-061953http://hdl.handle.net/2246/49252 p. ; 24 cm.Includes bibliographical references.192736 bytesapplication/pdfen-USQL1 .A436 no.1640, 1953Hirundo obsoleta presaharicaSwallows -- AlgeriaSwallows -- SaharaBirds -- AlgeriaBirds -- SaharaSystematic notes on Palearctic birds. No. 1, A new swallow from the northern Sahara. American Museum novitates ; no. 1640New swallow from the northern Saharatext