712 LIST OF DIPTERA. 



Tachina breviventris, Wied. Anss. Zweif. ii. 297, 28. 

 a. Jamaica. From Mr. Gosse's collection. 



Group XVI. 



Third joint a little more than twice the length of the second, 

 very slightly convex on the back, and equally concave beneath, 

 rounded at the tip ; second joint of the bristle short, hardly longer 

 than the first. 



Tachina patula, n. s. Nigra, thorace cinereo vittis nigris nigris, an- 



tennis pedibusqve nigris, alis cinereis. 



Body black : head hoary, beset above and in front with black 

 hairs and bristles, clothed beneath with white hairs ; epistoma 

 slightly prominent; no bristles on the sides of the face; sucker 

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

 long, tawny, beset with short black bristles : eyes bright red : feelers 

 black, as long as the face ; second joint reddish at the tip ; third 

 joint more than twice the length of the second, nearly linear, very 

 slightly convex above, and equally concave beneath, rounded at the 

 tip ; bristle downy, slender, about twice the length of the third 

 feeler-joint; second joint short, hardly longer than the first: chest 

 and breast clothed with black hairs and bristles : chest covered with 

 a gray bloom, which is indistinctly striped : scutcheon and abdomen 

 thickly armed with black spines, the latter much broader than the 

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

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

 pitchy ; veins black ; tip cross-vein forming hardly less than a right 

 angle with the longitudinal vein, curved inward near the base, 

 straight from thence to the tip, which joins the border at some dis- 

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

 the lower slight and inward, the upper outward and extremely slight; 

 scales blackish. Length of the body of lines ; of the wings 12 

 lines. 



Group XVII. Juriuia, Desv. Essai. Myod. 34. 



Tachina hystrix, Fabr. Syst. Anil. 310, 8. Wied. Auss. Zweif. ii. 



283, 6. Musca hystrix, Fdbr. Syst. Ent. Ill, 21. Ent. Syst. 



iv. 325, 55. Drury, Ins. ii. pi. 45. /. 7. Echinomyia hystrix, 



Macq. Hist. Nat. Dipt. ii. 79, 30. 

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



G. Barnston, Esq. 

 b. Nova Scotia. From Lieut. Redman's collection. 



