LIST OF DIPTERA. 773 



without bristles ; epistoma yellow, slightly prominent; eyes red, not 

 hairy ; sucker ferruginous, and clothed with tawny hairs towards 

 the tip; palpi ferruginous, beset with black bristles: feelers black, 

 a little shorter than the face ; tips of the first and second joints fer- 

 ruginous ; third linear, more than twice the length of the second, 

 truncated at the tip ; bristle more than twice the length of the third 

 joint, its first joint very short, second short, third gradually tapering 

 from the base to the tip, where it becomes extremely slender: chest 

 adorned with four slender black stripes ; scutcheon ferruginous : 

 abdomen elliptical, not longer than the chest, adorned with broad 

 hoary bands along the fore borders of the segments.,: legs black, 

 clothed with black hairs and bristles ; foot-cushions tawny : wings 

 gray, brown at the base: wing-ribs and. veins pitchy; tip cross-vein 

 forming an almost right angle with the fourth longitudinal vein, 

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

 wing ; lower cross-vein slightly curved inward near the base, almost 

 straight from thence to the tip ; scales gray. Length of the body 

 7 lines ; of the wings 14 lines. 

 a. North Bengal. From Miss Campbell's collection. 



TACHiNAnigricornis, Wied. Auss. Ziveif. ii. 322, 76. Musca nigri- 



cornis, Fabr. Ent. Syst. iv. 331, 81. Syst. Anil. 305, J 04. 

 a. East Indies. From Archdeacon Clerk's collection. 



Tachina Onchestus, n. s. Cana, capite subtus pilis albis dense 

 vestito, tlwrace viltis quatuor cinereis, scutello ferrugineo, abdo- 

 mine albo vitta dorsali fasciisque nigris, palpis fulvis, antennis 

 nigris, alis sublimpidis. 



Body black, clothed with black hairs, and with a few black 

 bristles : bead covered with white bloom, thickly clothed behind 

 and beneath with white hairs; a pitchy stripe between the eyelets 

 and the feelers ; sides of the face without bristles ; epistoma yellow, 

 slightly prominent: eyes pitchy, hairy : sucker black; palpi tawny, 

 slender, beset with black bristles : feelers black, as long as the face ; 

 tips of the first and second joints ferruginous ; third very long, nearly- 

 linear, but slightly increasing in breadth from the base to the tip, 

 which is truncated above, and rounded beneath, about four times 

 the length of the second joint : chest covered with hoary bloom, 

 which is interrupted by four gray stripes; scutcheon ferruginous: 

 abdomen white, obconical, shorter than the chest ; hind borders of 

 the segments black ; an imperfect stripe along the back : wings 

 nearly colourless, whitish at the base; wing-ribs tawny; veins 

 black, tawny at the base ; tip cross- vein forming with the fourth lon- 

 gitudinal vein a slightly obtuse angle, very remote from the border, 

 PART IV. 3 Y 



