LIST OF DIPTERA. 777 



pitchy, clothed towards the tip with pale tawny hairs ; palpi tawny, 

 beset with a few short, black bristles : feelers black, as long as the 

 face; third joint nearly thrice the length of the second, almost 

 linear, but very slightly increasing in depth from the base to the tip, 

 which is slightly truncated : bristle more than twice the length of 

 the second joint, its first joint obsolete, second very short ; third 

 slender, tapering from the base to the tip : scutcheon and adjoining 

 parts of the chest tawny : abdomen obconical, a little shorter than 

 the chest, pale gold colour with a silky lustre, hoary beneath where 

 the segments have tawny borders : legs pitchy, clothed with black 

 hairs and bristles; shanks dark tawny; feet black; foot-cushions 

 tawny : wings colourless, tinged with yellow at the base ; wing-ribs 

 tawny; veins pitchy, pale tawny at the base; tip cross-vein very 

 near the wing border, forming an obtuse angle with the fourth lon- 

 gitudinal vein, nearly straight, joining the border at some distance 

 above the tip of the wing ; lower cross-vein with two curves, the 

 lower inward and short, the other long, outward and hardly percep- 

 tible ; scales yellowish white. Length of the body 4 lines ; of the 

 wings 8 lines. 

 a. France. 



Tachina Calliphon. Nigro-cinerea, palpis fulvis, antennis pedi- 



busque nigris, alls subcinereis. 



Body grayish black, clothed with black hairs and bristles : head 

 very hairy, ferruginous by the base of the face, whose sides are without 

 bristles ; epistoma not prominent : eyes pitchy, hairy : sucker and 

 palpi tawny : feelers black, very nearly as long as the face ; third 

 joint about thrice the length of the second, convex at half its length 

 above, flat beneath, truncated at the tip ; bristle more than twice 

 the length of the third joint, its first joint obsolete, second very 

 short; third stout for near one-fourth of its length, very slender 

 from thence to the tip : abdomen nearly elliptical, not longer than 

 the chest : legs black, clothed black hairs and bristles ; foot-cushions 

 tawny ; wings slightly gray ; wing-ribs and veins tawny ; veins 

 pitchy towards the tips ; tip cross-vein forming near the border of 

 the wing a slightly obtuse angle with the fourth longitudinal vein, 

 slightly curved inward, joining the border very near the tip of the 

 wing ; lower cross- vein almost straight, but with a very slight indi- 

 cation of the usual curves ; scales white with pale tawny borders. 

 Length of the body 4 lines ; of the wings 8 lines. 



3y 3 



