

Azotes on the Distribution and Bibliography of North 



American Bees of the Families, Apidce, Meliponidce 



Bombidce, Euglossidce, and Anthophoridce 



By Frajik E. Lutz and T. D. A. Cockebell 

 /// 



BULLETIN 



OF 



THE AMERICAN MUSEUM OF NATURAL HISTORY 



Vol. XLII, Art. XV, pp. 491 -641 

 New York 



Issued December 8, 1920 



