240 KANSAS UNIVERSITY QUARTERLY. 



Baccha lemur O. S . . 



One female, Esles Park, Colo. (Aug.); one male, Colorado (Gillette, 

 No. 780); two females, Magdalena mountains, N. M. (Aug.); one 

 male. Las Cruces, N. M. (Townsend, June 7th). — Distinctly western. 



Baccha obscuricornis Loew. 



A single male, Magdalena mountains, N. M. (Aug.), agrees very 

 well with the description. The antennae are light brown, very small, 

 the third joint wider than long. — Described from Alaska; also known 

 from California. 



Rhingia nasica Say. 



One specimen, a small male, Manitou Park, Colo. (Aug.). — A com- 

 mon eastern species. 



Brachyopa cynops Snow, Kans. Univ. Quar., I, p. 37. 



The single type specimen is a female and was taken in Manitou 

 Park, Colo. (Aug.). The epistoma is abruptly projected like a 

 tubercle. 



Braciiyopa vacua (). S. 



A male, Manitou Park, Colo. (Aug.), agrees throughout with the 

 description. — Recorded previously from Canada and California. 



Volucella facialis Will. 



One male specimen, Colo. (Gillette No. 687). — A Californian 

 species. 



Volucella esuriens Fab. 



Two specimens, Hop Canyon, Magdalena mountains, N. M. (Aug., 

 7,500 ft.); Las Cruces, N. M., (Townsend, Aug. 21). Both are 

 variety mcxicana. Peculiarly a southern species. 



Volucella comstocki Will. 



Ten males and fourteen females, Magdalena mountains, N. M. 

 (Aug., 9,000-10,000 ft.); one male and two females. Las Cruces, N. 

 M. (Townsend, Apr. iS); two males and nine females, New Mexico 

 (Gaumer). Williston gives 12 mm. as the size of the species. In 

 these specimens the average size is 9.5 mm., the largest measuring 

 II and the smallest 8 mm. The types were from Arizona and New 

 Mexico. 



Vulucella anna Will. 



One hundred and forty specimens, the sexes about evenly divided, 

 Magdalena mountains, N. M. (July, Aug., 7,000 to nearly 10,000 ft., 

 in greatest abundance at an elexation of about 9,000 ft.); one female. 

 Las Cruces, N. M. (Townsend, Apr. 18); several specimens; New 



