574 LIST OF DIPTERA. 



nous, downy : eyes pitchy, each with a broad stripe of short black 

 hairs ; all the facets very small : chest clothed with short black 

 hairs, and on the hinder part with pale tawny hairs ; scutcheon 

 tawny, very thickly clothed with pale tawny hairs : abdomen nearly 

 oval, broader and a little longer than the chest, clothed with white 

 hairs at the base, with black hairs in the middle, and with bright 

 tawny hairs towards the tip : legs black, clothed with short black 

 hairs ; knees pitchy ; shanks and feet clothed beneath with tawny 

 down ; hind feet tawny ; claws and foot-cushions tawny ; tips of 

 claws black : wings colourless ; a large dark brown spot in the 

 disk ; wing-ribs pitchy ; veins black, ferruginous towards the base 

 and along the fore borders ; poisers ferruginous. Length of the 

 body 7 lines ; of the wings 14 lines. 



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

 G. Barnston, Esq. 



Syrphus chrysocomus, Meig. Dipt. iii. 280, 4. Cheilosia chryso- 



coma, Macq. Hist. Nat. Dipt. i. 556, 4. 

 a. Ragatz, Switzerland. From Mr. Walker's collection. 



Syrphus grossus, Meig. Dipt. iii. 281, 5. Cheilosia grossa, Macq. 

 Hist. Nat. Dipt. i. 556, 5. Eristalis grossa, Fall. Syrph. 53, 6. 

 a. ? From Mr. Children's collection. 



Syrphus variabilis, Panz. Faun. Germ. 60, 10. Latr. Gen. Crust. 

 iv. 325. Meig. Dipt. iii. 281, 6. Eristalis ater, Fabr. Syst. 

 And. 246, 66. E. nigrita, Fabr. Syst. Antl. 244, 55. E. va- 

 riabilis, Fall. Syrph. 54, 9. Cheilosia variabilis, Macq. Hist. 

 Nat. Dipt. i. 557, 9. 



a. England. 



b. France. 



c. Aix-la-Chapelle. Presented by F. Walker, Esq. 



d. ? From Mr. Children's collection. 



Syrphus nigrinus, Meig. Dipt. iii. 282, 7. 

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



Sryphus viduus, Meig. Dipt. iii. 282, 9. Cheilosia vidua, Macq. 

 Hist. Nat. Dipt. i. 556, 6. Musca viduata, Fabr. Sp. Ins. ii. 

 446,54. Ent. Syst. iv. 336, 100. M. burdus? Harr. Ex. 

 106, pi. 32, f. 39. 



a. England. 



b. ? From Mr. Children's collection. 



I 



