LIST OF DIPTERA. 491 



Hilara fuscipes, Meig. Dipt. iii. 6, 9. Macq. Hist. Nat. Dipt. I 



342, 11. Zett. Ins. Lapp. 555, 2. Empis fuscipes, Fabr. Ent. 

 Syst. iv. 406, 14. Meig. Klass. Zweif. i. 227, 21. Empis 

 plumbea, Fabr. Ent. Syst. iv. 406, 17. Meig. Klass. Ziveif. 

 i. 233, g. Tachydromia fuscipes, Fabr. Syst. Anil. 144, 5. 

 T. plumbea, Fabr. Syst. Antl. 144, 6. Empis albida, Meig. 

 Klass. Zweif. i. 233, e. E. intermedia, Fall. Empid. 23, 15. 



a. England. 



Hilara thoracica, Macq. Dipt. Nord. 115, 14. Hist. Nat. Dipt. i. 



343, 18. Meig. Dipt. vii. 81, 26. 



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



Hilara nana, Macq. Dipt. Nord. iii. 4. Hist. Nat. Dipt. i. 341, 



4. Meig. Dipt. vii. 80, 23. 

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



Hilara transfuga, n. s., fern. Nigra, antennis nigris, pedibus piceis, 

 alis nigro-fuscis, stigmatibus nigris. 



Body black, clothed with short black hairs : eyes, mouth, and 

 feelers black : legs piceous, clothed with black hairs ; wings dark 

 brown ; wing-ribs and veins black ; brands black ; poisers piceous. 

 Length of the body \\ — 2 lines ; of the wings 3 — 4 lines. 



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

 G. Barnston, Esq. 



Hilara migrata, n. s., mas. Nigra, antennis nigris, pedibus fulvis, 

 alis cinereis, stigmate fusco. 



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

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

 gray ; wing-ribs, veins, and poisers piceous ; wing-brands brown. 

 Length of the body 1 line ; of the wiugs 2 lines. 



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

 G. Barnston, Esq. 



Hilara Bares, n. s. mas. Fusca, antennis nigris pectore cano, pedi- 

 bus fulvis, tarsis fuscis, alis subfuscis ad costam fuscis. 



Body brown, clothed with short black hairs ; eyes dark red : 

 feelers and mouth black : breast hoary : legs tawny, clothed with 

 short black hairs ; feet brown : wings light brown, darker for one- 

 third of the length along the fore border ; wing-ribs and veins 

 piceous ; poisers brown. Length of the body lj line ; of the wings 

 3 lines. 



a. East India. Presented by Captain Parry. 



