DIPTERA. 255 



S. deceptor Malloch, 24-24. 



Me.— ^It. Desert, July 12-lG. N. R.—WhUe Mts. (Morrison)', 



Bretton Woods, June 27. 

 Mass. — North Adams, June 15-19. 



S. philadelphica (Macquart). 



Me.— 7, 8. N. H.— 11, 12, 13, 15. Vt.— 19, 20, 22. June 5- 



Sept. 13. - 

 Mass.— 23, 27, 28. Conn.— 35. June 19-Oct. 16. 



S. disjuncta (Johnson), 14-22. 



Me.— 8. N. H.— 11. June 3-17. 



Mass.— 24,25,27,29. R. I.— 33. Conn.— 35. May27-Sept.22. 



S. conjuncta (Johnson), 14-22. 

 Vt. — Amsden, July 10. 



Mass. — Auburndale, Aug. 2; Blue Hill, May 30; Manomet, July 

 27. R. I. — Buttonwoods, June 18. 



S. compedita (Loew). 



Me.— 6, 8, 10. N. H.— 11, 13, 14. Vt.— 20. June 17-Sept. 10. 

 Mass.— 23, 24, 25, 26, 27, 29, 32. R. I.— 33. Conn.— 35. 

 May 30-July 23. 



S. ornatipes (Johnson), 14-20. 



Mass.— M^. Everett and Bashhish Falls, June 28, 1912. 



S. melanderi (Johnson), 14-21. 



Mass. — Provincetown, June 24; Eastham, June 27; Barnstable, 

 July, 1904; Nantucket, July 5 (Cushman) , Aug. 15 {Fernald). 



S. sheldoni (Coquillett). 



Me.— Ft. Kent, Aug. 19; Mt. Katahdin, Aug. 30 {Blake) •,Ovono, 



Aug. 5 {Alexander); Mt. Desert, July 30. 

 Mass. — Wellesley, July 11 {Van Duzee). 



S. houghii (Coquillett). 



Mass.— 27, 29, 30, 31, 32. R. I.— 33. Conn.— 35. June 12- 

 Aug. 3. 



S. incerta (Malloch), 14-36. 

 Mass.— Manomet, July 27, 1905. 



S. citreifrons (Malloch), 20-127. 



Me.— Bar Harbor, June 13. N. H.— Bretton Woods, June 28; 



Glen House, June 15. 

 Mass. — Mt. Everett, June 28; Auburndale, June 17. 



S. bispina (Loew). 



Me. — 1. Aug. 17. 



Mass.— 29. R. I.— 33. Conn.— 35. June 2-28. 



S. tenuispina (Loew). 

 N. H. — Hampton, July 1 {Shaw). 



Mass.— Eastham, June 27; Horse Neck Beach, July 30. R. L— 

 Buttonwoods, June 18. 



