130 THOMAS SAY FOUNDATIOX 



One female, Cimarron, N. M., "larvipositing on 

 Eleodes obsoleta" (W. R. AValton) ; this is the speci- 

 men mentioned by the writer in Jour. Econ. Ent., viii, 

 24o, where is also printed a statement from Professor 

 Wickham as to the possibility that tlie specimens 

 reared by him were not true parasites but only scav- 

 engers affecting dead insects; — a possibility which 

 seemed to him to be excluded by the manner of con- 

 ducting his experiments. 



Holotype and allotype. — Male and female. No. 

 20515, U. S. N. M., from Maxwell, N. M. (Webster 

 No. 11148, in the first lot mentioned) . 



No. 54. Sarcophaga masculina n. sp. 



Male. Front .132 of head (average of three, — 

 .125, .127 and .143) ; head with gray pollen which is 

 rather more shining on the paraf acials ; parafrontals 

 and parafacials both bearing scattering black hairs, 

 which gradually arrange themselves in a single row 

 below, the lowermost ones being slightly bristle-like; 

 frontal bristles about 13, rapidly diverging below and 

 reaching the middle of the second antennal joint; 

 ocellars well developed; antennae reddish brown, 

 third joint slender, 2% times the second, reaching 

 three-fourths of the way to the vibrissa? and slightly 

 above the oral margin. Bucca one-third the eye- 

 height; palpi and proboscis black, ordinary; back of 

 head with about three rows of black hairs, the central 

 part bearing whitish hairs, longer below; most of the 

 bucca is covered with black hairs; outer vertical bris- 

 tles absent. 



Thorax with gray pollen and the usual 3 to 5 

 black stripes, the intermediate ones more or less mar- 

 gined with brownish color when viewed from behind; 

 ps dc 3; ant acr well developed; prsc 1 pair; stpl 3; 

 scutellum with 2 pairs lateral, 1 pair smaller preapical 

 and 1 pair apicals slightly larger. 



Abdomen with whitish changeable pollen and 

 three indistinct stripes ; first and second segments with 

 only lateral bristles; third segment with a median pair 



