580 LIST OF DIPTERA. 



sers tawny. Length of the body 4^ — 5 lines ; of the wings 9 — 10 

 lines. 



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

 G. Barnston, Esq. 



Syrphus arcucinctus, Barnston s MSS. Nigro-aneus, J route scu- 

 tellique margine fulvescentibus, abdominis maculis sex fasciisque 

 duabusflavis, antennis piceis, pedibus ferrugineis, posticis nigris, 

 alis subcinereis. 



Allied to S. Alcidice. Body brassy black : head partly tawny 

 in front : eyes dark red : mouth black : feelers pitchy ; chest and 

 breast clothed with short tawny hairs ; scutcheon bluish black, with 

 a slight tawny tinge on the border : abdomen adorned with three 

 yellow cross spots on each side, and at the tip with two slender 

 bands ; second and third pair of spots slightly curved : legs ferrugi- 

 nous ; hind legs black, with ferruginous knees : wings with a very 

 slight gray tinge ; wing-ribs pitchy ; veins black ; poisers tawny. 

 Length of the body 5 lines ; of the wings 10 lines. 



Var. 0. Hind legs tawny, shaded with brown. 



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

 G. Barnston, Esq. 



Syrphus seleniticus, Meig. Dipt. iii. 304, 45, pi. 30, /. 21. Musca 

 mellina, Harr. Ex. 80, pi. 24, /. 23. 



a. England. 



b. France. 



c. ? From Mr. Children's collection. 



Syrphus ericetorum, Fabr. Sp. Ins. ii. 425, 18. Ent. Syst. iv. 287, 

 34. S. Salviae, Fabr. Ent. Syst. iv. 306, 105. Wied. Auss. 

 Zweif. ii. 122. 9. Macq. Dipt. Exot. ii. 88, 5, pi. 15, /. 7. 

 Scseva Salviae, Fabr. Syst. And. 250, 6. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



b. North Bengal. From Miss Campbell's collection. 



c. East Indies. From Archdeacon Clerk's collection. 



d. ? 



Syrphus aegrotus, Wied. Auss. Zweif. ii. 118, 3. Macq. Dipt. Exot. 

 ii. 88, 4. S. fascipennis, Macq. Hist. Nat. Dipt. i. 537, 9. 

 Eristalis aegrotus, Fabr. Syst. Antl. 243, 48. 



a. East Indies. From Archdeacon Clerk's collection. 



b. ? 



