200 LIST OF DIPTERA. 



longer than the first and the second; chest black, with four dull 

 tawny stripes ; sides bright tawny and clothed with tawny hairs, as 

 is also the breast, which has a tawny stripe on each side : abdomen 

 yellow above; first segment with a large black subquadrate spot 

 lessening in width from the fore to the hind border ; second segment 

 with a spot of the same form at the base but divided at the 

 tip ; third, fourth, and fifth segments having each four smaller 

 black obconical spots ; sixth and seventh black along the fore bor- 

 ders ; under-side of abdomen with a middle row of large spots, and 

 a row of smaller spots on each side : fore legs piceous ; four hinder 

 legs tawny ; hips, base, and tips of thighs, knees and tips of shanks 

 and joints of the feet piceous ; there are also stripes of that colour 

 along the thighs and the shanks : wings very slightly gray, brown 

 at the base and along the fore border, and having a broad brown 

 band which does not reach the hind border, but is joined to a much 

 paler band which runs back to the inner angle of the wing ; veins 

 and poisers piceous. Length of the body 3 J lines ; of the wings 

 7 lines. 



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

 G, Barnston, Esq. 



Chrysops obsoletus, Wied. Dipt. Exot. i. 108, 10. Auss. Zwief. 



211,25. 

 a. Hudson's Bay. Presented by G. Barnston, Esq. 



Chrysops geminatus, Wied. Auss. Zweif. i. 205, 161 



Chrysops lateralis, Wied. Auss. Zwief. i. 209, 21. 

 a. Honduras. From Mr. Miller's collection. 



Chrysops pellucidus, Fair. Syst. Anil. 113, 11. Wied. Dipt. Exot. 



i. 107, 8. Auss. Ziveif. i. 206, 18. 

 a. East India ? 



Chrysops tarsalis, n. s., fern. Cinereus, thorace cano trivittato, pe- 

 dibuspiceis, tarsis posterioribusfemoribusqueflavis, alis limpidis, 

 fusco-fasciatis apice cinereis. 



Allied to longicornis, Maeq. Dipt. Exot. i. 156. Head gray, 

 piceous and shining on the tubercle above the base of the feel- 

 ers, and having below them and at the base of tho mouth 

 another and larger tubercle of the same colour ; the sides of this 

 tubercle and a spot between the feelers are clothed with yellow 

 down : eyes very dark red, indistinctly banded : palpi and lancets 

 dull ferruginous ; sucker piceous : feelers piceous, filiform, pubes- 





