278 Kansas Academy of Science. 



Family Bombid^. 

 Bombus scutellaris Cr. Kansas, Wichita; August. 



separatus Cr. Kansas, Lawrence; May, twilight, 

 virginicus Oliv. Kansas, Lawrence; July; July, twilight; Septem- 

 ber; October. 



Family SarcophagiDjE. 

 Sarcophaga iegra Wk. July. 

 Helicobia (Sarcophaga) quadrisetosa Coq. June; July; July, twilight. 



Family MusciDiE, 

 Calliphora coloradensis Hough. April. 



FamilyfANTHOMYlD^. 

 Homalomyia canicularis L. July. 



scalaris Fab. May; May, twilight; June; June, twilight; July. 

 Wichita; April. 

 Coenosia flavicoxa Stein. April; May; July. Wichita; April. 



Family Helomyzid^. 

 CEcothea fenestralis Fal. May. 

 Leria caccabata Tkr. , n. sp. May. 



Family Ortalid^e. 

 Chrysomyza demandata Fab. October. 



Family OsciNlD^. 

 Ectecephala albistylum Macq. June; July, twilight. 



Family Agromyzid^. 

 Odinia ornata Zett. July. 



Family Anthophorid^. 

 Clisodon terminalis Cr. Colorado, Tabernash ; August. 

 Anthophora abruptaSay. Kansas, Lawrence; May, twilight; June, twilight, 

 occidentalis Cr. Colorado, Colorado Springs; August, 

 smithii Cr. Colorado, Colorado Springs, August. 

 Melissodes agilis Cr. Colorado Springs, August. Denver, August, 

 agilis Cr., var. snowii Cr. Colorado, Denver; August, 

 aurigenia Cr. Colorado, Colorado Springs, in Garden of the 

 Gods; July; Denver, August. 



On account of the close resemblance of M. agilis to M. snowii 

 and J/! «'?/.r/^ewi«, a comparative study of authentic and typical speci- 

 mens in the collection of the University of Kansas was undertaken 

 for the purpose of finding reliable characters for accurate identifi- 

 cations of other examples, including those collected by myself. In 

 the case of agilis and aurigenin, reliance was placed upon examples 

 authenticated by Mr. E. T. Cresson; and for snowii, a specimen 

 was found bearing the Colorado label of F. H. Snow, and although 

 lacking a name label, it had evidently been collected with the type 

 specimen, or at least under the same circumstances. This insect is 



