220 THOMAS SAY FOUNDATION 



blackish, with strongly hooked, sharp tip; anterior 

 clasper much the same, but more broadly curved; 

 penis with stout yellow basal joint, distal segment 

 l3lackish, wide and bulky, with a pair of flat black 

 widely separated arms or plates projecting forward 

 at tip from an apical part which is set off from the 

 back plate by a suture; another pair of more slender 

 processes arise with an ascending curve from the 

 front part near its base. 



Legs black; middle femora with dense rows of 

 fine bristles on lower side near tip, both before and 

 behind; middle tibia not villous, with a single bristle 

 on outer front side; hind tibia with very long but 

 thin villosity projecting on the mesial side, almost 

 none on the outer. 



Wing subhyaline; no costal spine; third costal 

 segment much longer than fifth and sixth combined 

 (1^ times by micrometer) ; first vein bare, third 

 hairy for some distance. 



Length 12 mm. 



One male, Angelsea, N. J., June 11, 1905 (Har- 

 beck ) . 



Holotype.— Male, jVJ'o. 20548, U. S. N. M. 



No. 105. Sarcophaga impar n. sp. 



Male. Front .243 of head (average of five, — 

 .233, .237, .244, .245, .256), widening from above the 

 middle ; paraf rontals and paraf acials with distinct yel- 

 lowish cast, shining pollinose; frontal bristles about 

 8 or 9, the rows suddenly diverging below, reaching 

 below the middle of the second antennal joint; ocel- 

 lars stout; paraf acials with the usual row of small 

 hairs next the eye ; antennic brownish black, the third 

 joint twice the second and reaching three-fourths of 

 the way to the vibrissa, which are at the oral margin ; 

 arista plumose a little over half its length; palpi and 

 proboscis black, ordinary; bucca nearly one-third the 

 eyeheight ; back of head with three rows of black hairs 

 and considerable pale beard; outer vertical bristles 

 not developed. 



