DIPTERA. 103 



T. atratus var. nantuckensis (Hine) 17-271; Johnson, 19-163. 

 N. H.— 15. Sept. 8. 



Mass.— 26, 27, 28, 29, 30, 31, 32. R. I.— Block Isl. (Morse). 

 July 4- Aug. 28. 



T. stygius Say. 

 Me.— 9. 



Mass.— 25, 27. Conn.— 35. July 10-Aug. 27. 



T. americanus Forster. 

 N. H.— Dublin (Harris Coll.). 



Mass. — Cohasset, Aug. 22 (Bryant) ; Fall River, July 22 (Cush- 

 man)] Lakeville (Jenkins); Ware (Zeissig). 



T. giganteus De Geer. 



Mass. — (Harris Coll.). Conn. — Suffield (Dimmock). 



T. bicolor Wiedemann. 



Me.— 9. N. H.— 11, 15. Vt.— 16. July 15-Aug. 15. 

 Mass.— 26, 29, 30, 31, 32. R. I.— 33. Conn.— 35. July 5- 

 Aug. 28. 



T. ohioensis Hine. 



Me. — Southwest Harbor, July 15; Waterville, 1901 (HitcMngs). 



N. H. — Durham, June 28 [Lowry). 

 Mass.— Wellesley, June 27 (Morse). Conn.— 35. 



T. pemeticus Johnson, 21-11. 

 Me.— ikff. Desert, July 22-Aug. 20. 



T. reinwardtii Wiedemann. 



Me. — Monmouth, July 18 (Frost). Vt. — Bridgeport; Rutland, 



Aug. 1. 

 Mass.— Milton, 1830 (Harris Coll.); Monterey, July 5 (Frost). 



Conn. — Cornwall, Aug. 7 (Chamberlain). 



T. zonalis Kirby. 



Me.— 6, 8, 9. N. H.— 14, 15. June 29- July 1. 



Mass.— 24, 27. May 30- June 5. 



T. cinctus Fabricius. 



Me.— 6, 9. N. H.— 11, 13, 14. June 30- July 28. 



Mass.— 24, 25, 27, 32. Conn.— 34, 35. July 2-Aug. 8. 



T. trispilus var. sodalis Williston. 



Me.— 5, 8, 9. N. H.— 11, 13, 14, 15. Vt.— 19. July 16- Aug. 



18. 

 Mass.— 23, 24, 25, 26, 27, 32. R. I.— 33. Conn.— 34. 35. 



July 12-Aug. 15. 



T. superjumentarius Whitney. 



N. B..—Milford, 13, 15. Vt.— 22. June 22- July 30. 



Mass.— 25, 27, 32. Conn.— 34, 35. July 7-Aug. 8. 



