New and little-known American bees. American Museum novitates ; no. 899

Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948.2005-10-062005-10-061937http://hdl.handle.net/2246/21685 p. ; 24 cm.Includes bibliographical references.495332 bytesapplication/pdfen-USQL1 .A436 no.899, 1937Bees -- West (U.S.)Bees -- Washington (D.C.)Insects -- West (U.S.)Insects -- Washington (D.C.)New and little-known American bees. American Museum novitates ; no. 899text