Records of Western bees. [2]. American Museum novitates ; no. 831

Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948.2005-10-062005-10-061936http://hdl.handle.net/2246/21466 p. ; 24 cm.504580 bytesapplication/pdfen-USQL1 .A436 no.831, 1936Bees -- West (U.S.)Insects -- West (U.S.)Records of Western bees. [2]. American Museum novitates ; no. 831text