250 



KANSAS ACADEMY OF SCIENCE. 



THE DIPTERA OF KANSAS AND NEW MEXICO. 



By T. D. A. CocKEEKLL, Colorado Springs, Colo. 

 Read ( by title) before the Academy, at Topeka, December 31, 1904. 



'^r^HE interesting list of the Diptera of Kansas published by Pro- 

 -*- fessor Snow does not pretend to be complete, but it is of much 

 value in view of the rarity of such contributions in dipterology. I 

 have been interested in comparing it with the unpublished catalogue 

 of New Mexico Diptera, which I have compiled during the past ten 

 years, and am surprised at the amount of difference between the two 

 faunae. While this difference is certainly due in part to the incom- 

 pleteness of the lists, it cannot be wholly without real significance, 

 and it seems worth while to put some of the facts on record for future 

 reference. About 133 species are common to the two lists. The fol- 

 lowing tabular statement shows some of the details ; when numbers 

 are given they relate to species : 



