Lutz, Frank Eugene, 1879-1943.2005-10-062005-10-061916http://hdl.handle.net/2246/1387p. 501-521 : maps ; 24 cm.Includes bibliographical references.2139717 bytesapplication/pdfen-USQH1 .A4 vol.35, art.26, 1916Bumblebees -- America -- Geographical distribution.Bumblebees -- North America.Bumblebees -- Geographical distribution.Bees -- America -- Geographical distribution.Bees -- North America.Insects -- America -- Geographical distribution.Insects -- North America.The geographic distribution of Bombidae (Hymenoptera), with notes on certain species of boreal America. Bulletin of the AMNH ; v. 35, article 26.text