Description of a new race of the lesser black-backed gull, from the Azores. American Museum novitates ; no. 44

Dwight, Jonathan, 1858-1929.2005-10-062005-10-061922http://hdl.handle.net/2246/48722 p. ; 24 cm.179256 bytesapplication/pdfen-USQL1 .A436 no.44, 1922Lesser black-backed gullBirds -- AzoresDescription of a new race of the lesser black-backed gull, from the Azores. American Museum novitates ; no. 44text