Notes on some Western bees. American Museum novitates ; no. 40

Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948.Lutz, Frank Eugene, 1879-1943.2005-10-062005-10-061922http://hdl.handle.net/2246/32527 p. ; 24 cm.Includes bibliographical references.716315 bytesapplication/pdfen-USQL1 .A436 no.40, 1922Bees -- Rocky Mountains RegionInsects -- Rocky Mountains RegionNotes on some Western bees. American Museum novitates ; no. 40text