LIST OF DIPTERA. 581 



Syrphus americanus, Wied. Auss. Zweif. ii. 129, 22. Macq. Dipt. 



Exot. ii. 94, 12. 

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



G. Barnston, Esq. 



Syrphus Grossulariae, Meig. Dipt. iii. 306, 48. Macq. Hist. Nat. 

 Dipt. i. 542, 26. 



a. England; 



b. ? From Mr. Children ? s collection. 



Syrphus Eibesii, Fabr. Sp. Ins. ii. 432, 57. Ent. Syst. iv. 304, 

 100. Latr. Gen. Crust, iv. 325. Cons. Gen. 443. Meig. 

 Dipt. iii. 306, 49. Macq. Hist. Nat. Dipt. i. 538, 12. S. Phi- 

 ladelphicus, var. ? Macq. Dipt. Exot. ii. 93, 11, pi. 16, /. 2. 

 Musca Ribesii, Linn. Syst. Nat. ii. 987. Faun. Suec. 1816. 

 Gmel. Ed. Syst. Nat. v. 2875, 50. Deg. Ins. vi. 47, 4, pi. 6,/. 

 3—13. Schrank, Faun. Boic. iii. 2408. Ins. Austr. 905. 

 Don. Brit. Ins. xii. 21, pi 401, /. 3. Steiv. El. ii. 266. Turt. 

 iii. 649. M. blandus, Harr. Ex. 106, pi. 32, /. 38. Musca, 

 &c, Geoff. Ins. ii. 511, 37. Scaeva Ribesii, Fabr. Syst. Anil, 

 248, 1. Fall. Syrph. 40, 6. Zett. Ins. Lapp. 599, 5. Kirby, 

 North Amer. Zool. Ins. 315, 1. 



a. England. 



b. France. 



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



G. Barnston, Esq. 



d. Nova Scotia. From Lieut. Redman's collection. 



e. ? From Mr. Children's collection. 



Syrphus concavus, Wied. Auss. Zweif. ii. 130, 24. Scaeva concava, 

 Say, Journ. Philad. Acad. iii. 89, 3. 



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



G. Barnston, Esq. 



b. Nova Scotia. From Lieut. Redman's collection. 



c. Trenton Falls. Presented by E. Doubleday, Esq. 



Syrphus emarginatus, Wied. Auss. Zweif. ii. 119, 4. Scaeva emar- 



ginata, Say, Journ. Philad. Acad. iii. 91, 5. 

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



G. Barnston, Esq. 



Syrphus affinis, Wied. Auss. Zweif. ii. 117, 2. Scaeva affinis, Say, 



Journ. Philad. Acad. iii. 93, 9. 

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



G. Barnston, Esq. 



PART III. 3 F 



