130 THOMAS SAY FOUNDATION 



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

 Eleodes ohsoleta" (W. R. Walton) ; this is the speci- 

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

 24o, where is also printed a statement from Professor 

 Wickham as to the possibility that the 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 parafacials; 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; antennas reddish brown, 

 third joint slender, 2l/4 times the second, reaching 

 three-fourths of the way to the vibrissse 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 M^ith 

 only lateral bristles ; third segment with a median pair 



