LIST OF DIPTERA. 749 



rather deep, slightly convex beneath near the tip, which is trun- 

 cated ; bristle rather longer than the feeler ; its second joint full 

 twice the length of the first; third joint rather stout for near half 

 its length, very slender from thence to the tip : chest adorned with 

 three black stripes : abdomen adorned with pale tawny reflections on 

 the fore borders of the segments, and especially on each side : legs 

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

 wings gray ; wing- ribs pitchy ; veins black ; tip cross-vein forming 

 a very obtuse angle with the fourth longitudinal vein, slightly 

 curved inward near the base, straight from thence to the tip, joining 

 the fore border at some distance above the tip of the wing: lower 

 cross-vein indistinctly curved inward ; scales light gray, with yellow 

 borders. Length of the body 3^ lines ; of the wings 6 lines. 

 a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 

 G. Barnston, Esq. 



Tachina ? Erigone viridulans ? Desv. Essai Myod. 68, 7. 



a. France? 



Tachina radicum, Meig. Dipt. iv. 249, 18. Zett. Ins. Lapp. 142, 

 35. Dipt. Scand. iii. 1113, 109. Musca radicum, Fabr. Ent. 

 Syst. iv. 326, 60. Syst. Antl. 300, 82. Tachina lurida, Fall. 

 Muse. 26, 54. 



a. England. 



Tachina nitida, Zett. Ins. Lapp. 646,52. Dipt. Scand. iii. 1180, 



183. T. atrata, Meig. Dipt. iv. 270, 52. 

 a. England. 



Tachina Amphiro, n. s. Nigra, facie fulva vittis duabus piceis, 

 scutello ferrugineo, palpis antennis pedibusque nigris, alis sub- 



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

 beneath with pale tawny hairs; epistoma yellow, not prominent: 

 face tawny, with two pitchy stripes corresponding to the feelers, its 

 sides fringed with bristles for one-third of the length from the base : 

 eyes red, hairy : sucker pitchy, clothed with tawny hairs ; palpi 

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

 third joint nearly linear, rather deep, more than four times the 

 length of the second, slightly concave above, truncated at the tip; 

 bristle longer than the third joint, its second joint longer than the 

 first ; third joint tapering, stout for more than half its length : 

 scutcheon dark ferruginous, armed with very long spines : abdomen 

 obconical, not longer than the chest : legs black, clothed with black 



PART IV. 3 U 



