LIST OF DIPTERA. 721 



paler, and with a slight tawny tinge here and there beneath : legs 

 black, clothed with black hairs and bristles ; hips and fore thighs 

 covered with a tawny bloom ; claws tawny, with black tips ; foot- 

 cushions pale tawny : wings gray, tawny at the base ; wing-ribs 

 tawny; veins pitchy, tawny at the base ; tip cross-vein forming a 

 right angle with the fourth longitudinal vein, curved inward near 

 the base, straight from thence to the tip, which joins the border at 

 some distance above the tip of the wing ; lower cross-vein with two 

 very slight curves, the lower inward, the upper outward ; scales yel 

 lowish white. Length of the body 7 lines ; of the wings 12 lines. 

 a. Nova Scotia. From Lieut. Kedman's collection. 



Group XIX. 



Third joint of the feelers very convex on the back, much 

 longer than the second joint, flat beneath, rounded at the tip ; , 

 bristle pubescent ; second joint much longer than the first, but not 7 

 twice its length. 



Tachina carbonifera, n. s. Cyaneo-nigra , capite Jlavo, antennis fer- 

 rugineis, articulo 3° nigro, pedibus nigris, alls cinereis basi 

 fulvis. 



Body bluish black, shining : head yellow, whitish in the cavity 

 for the feelers, beset above and in front with black bristles, clothed 

 beneath with pale yellow hairs ; epistoma prominent; a few bristles 

 on the lowest part of the sides of the face: sucker black, pitchy, and 

 clothed with short tawny hairs at the tip ; palpi tawny, beset with 

 short black bristles : feelers ferruginous, as long as the face ; third 

 joint black, longer than the second, very convex above, ferruginous 

 towards the lower border, which is flat ; bristle downy, tapering from 

 the base to the tip, not much longer than the third feeler-joint, its 

 second joint long, more than twice the length of the first : chest be- 

 set with black hairs and bristles : breast slightly gray : abdomen 

 clothed with black hairs, armed with some black spines, which are 

 mostly towards the tip : legs black, clothed with black hairs and 

 bristles ; claws tawny, with black tips ; foot-cushions pale tawny : 

 wings gray, tawny towards the base ; wing-ribs and veins tawny ; 

 veins pitchy towards the tips ; tip cross-vein forming a slightly ob- 

 tuse angle with the fourth longitudinal vein, having a slight inward 

 curve which decreases from the base to the tip, joining the border 

 at some distance above the tip of the wing ; lower cross-vein with 

 two extremely slight curves, the lower inward, the upper outward ; 

 scales very dingy white. Length of the body 6 lines ; of the wings 

 12 lines. 



