Vol. XXX] ENTOMOLOGICAL NK\VS 2OI 



$. Length 13 mm. Differs from the $ as follows: The finer, re- 

 cumbent pubescence of prothorax and legs entirely lemon-yellow ex- 

 cept the brown, transverse, median fascia on the disk of pronotum ; 

 black fasciae on the elytra a little less extended; first joint of hind 

 tarsi slightly longer than the combined length of the remaining joints. 



Type, female; Big Horn Basin, Wyoming, August 13, 1910 

 (H. S. Smith). 



Allot\pc, male; Big Horn Basin, Wyoming, August 13, 1910 

 (L. Bruner). 



The type and allotype are deposited in the entomological col- 

 lection of the University of Nebraska. 



North American Sarcophagidae ; New Species of the 

 Genus Sarcofahrtia R. Parker (Dip.). 1 



By R. R. PARKER, Bozeman, Montana. 



Sarcofahrtia montanensis n. sp. (Text figs. 1, 3). 

 Holot\'f>c (male) ; collection of R. R. Parker. 



Length 10 mm. This species differs from the genotype in the fol- 

 lowing essential characters : Breadth of front at narrowest part about 

 two-fifths that of eye; cheek height approximately three-sevenths that 

 of eye ; arista very short plumose : costal spine vestigial ; calypters 

 without dark hair on margin ; hind femur greatly enlarged, arched 

 and with a deep ventral emargination in profile, a row of bristles 

 dorsally on its distal two-thirds, anteriorly, ventrally, and distally with 

 a single bristle ; hind tibia with anterior and posterior beards of 

 medium long hair ; middle tibia slightly bearded, submesotibial bristle 

 present; fourth abdominal segment dark pollinose throughout; geni- 

 talia specific (Fig. i); forceps prongs approximated. 



Described from one male specimen taken at an altitude of 

 6,000 feet on Beaver Creek, Madison County, Montana, in 

 August, 1913. 

 Sarcofahrtia madisoni n. sp. (Text figs. 2, 4). 



Holotypc (male) ; collection of R. R. Parker. 



Length 9 mm. This species differs little from .S\ montanensis ex- 

 cept that the tibiae lack beards, the hind femur is slightly different 

 in shape (Figs. 3, 4), and the genitalia are specific. 



Described from one male specimen taken at an altitude of 



, J Contribution from the Entomology Laboratory of the Montana 

 State College, Bozeman, Mont. 



