LIST OF DIPTERA. 489 



Microphorus drapetoides, Barnston, MSS., mas. Nigra, antennis 

 nigris,pedibus piceis, alisfuscis ad costam subfulvis. 



Body black, hairy : eyes piceous : feelers and lip "black, the lat- 

 ter short: legs piceous, clothed with short black hairs : wings dark 

 brown, slightly tawny along part of the fore borders from the base ; 

 wing-ribs and veins piceous. Length of the body lj line ; of the 

 wings 2-J- lines. 



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

 G. Barnston, Esq. 



Cyrtoma, Meigen. 



Cyrtoma spuria, Zett. Ins. Lapp. 533, 1. C. atra, Meig. Dipt. iv. 



2, 1. Macq. Hist. Nat. Dipt. i. 360, 2. Empis spuria, Fall. 



Empid. 33, 43. 

 a. England. Presented by F. Walker, Esq. 



Cyrtoma nigra, Meig. Dipt. iv. 3, 2. Macq. Hist. Nat. Dipt. 

 i. 360, 1. 



a. England. Presented by F. Walker, Esq. 



b. Alten, Finmark. Prosented by F. Walker, Esq. 



Cyrtoma melcena, Holiday, Ent. Mag. i. 158. 

 a. England. Presented by F. Walker, Esq. 



Opetia, Meigen. 



Opetia nigra, Meig. Dipt. vi. 357, I, pi. 66, f. 17, 20. Macq. Hist. 



Nat. Dipt. ii. 21, 1. Curt. Brit. Ent. 489, 1. 

 a. England. Presented by F. Walker, Esq. 



Span i a, Meigen. 



Spania Edeta, n. s., mas. Atra, antennis nigris , pedibus piceis, alis 

 sublimpidis ad cosiam obscurioribus. 



Body deep velvet-like black, hairy: eyes piceous: feelers and 

 lip black ; first and second joints of the feelers very short ; third 

 joint conical, broader and much longer than the first and the se- 

 cond ; spine as long as the third joint: legs piceous, clothed with 

 short black hairs: wings nearly colourless, somewhat darker be- 

 neath the fore borders ; wing-ribs, veins, and poisers piceous. 

 Length of the body 2 lines ; of the wings 4 lines. 



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

 G. Barnston, Esq. 9 



2x 3 



