1130 LIST OF DIPTERA. 



black hairs ; shanks at the base tawny, which colour is brightest and 

 most prevalent on the hiud shanks ; tips of the shanks, especially of 

 the hind pair tawny ; middle feet dull tawny : wings slightly brown ; 

 wing-ribs and veins black ; cross-veins clouded with brown ; poisers 

 pitchy; fifth longitudinal vein not extending beyond the lower 

 cross-vein. Length of the body l£ — Inline ; of the wings 2\ — 3 

 lines. 



a. York Factory. Presented by Dr. Rae. 



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



G. Barnston, Esq. 



Borborus quinque maculatus, n. s. Niger, palpis antennis pedibus- 

 que piceis, tibiis fulvo bifasciatis, tarsis ferrugineo cinctis, alls 

 fusco quinque maculatis. 



Body black, thickly beset with black hairs and bristles : sucker, 

 palpi, and feelers pitchy : legs pitchy, thickly clothed with black 

 hairs ; a tawny ring round each shank, whose tip is also tawny ; se- 

 cond and third joints of the feet ferruginous : wings pale brown, 

 each adorned with five dark brown spots ; wing-ribs and veins 

 black. Length of the body i\ line ; of the wings 3 lines. 

 a. Monte Video. Presented by C. Darwin, Esq. 



AA. Hal. Ent. Mag. iii. 325. 



Borborus ater, Meig. Dipt. vi. 203, 11. Hal. Ent. Mag. iii. 325, 



9. B. geniculates, Macq. Hist. Nat. Dipt. ii. 567, 6. 

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



Group III. Limosina, Macq. 



A. | 



B. [ Hal. Ent. Mag. iii. 326. 



c.J 



Borborus silvaticus, Meig. Dipt. vi. 207, 24. Curt. Brit. Ent. 



469, 24. Mycetia claripennis, Desv. Essai Myod. 806, 3. 



Limosina sylvatica, Macq. Hist. Nat. Dipt. ii. 572, 1. Hal. 



Ent. Mag. iii. 326, 1. Copromyza silvatica, Zett. Ins. Lapp. 



771, 7. 

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



