DIPTERA. 131 



D. flavicoxa Van Dazee, Cole and Aldrich, 21-188. 

 Vt.— Mt. Mansfield, 4000 ft., July 21, 1891 (Morse). 



D. fiavilacertus Van Duzee, Cole and Aldrich, 21-110. 



Mass.— Fall River, June 8, 1909 (Easton). 



D. fulvipes Loew. 



Me.— 7, 8. N. H.— 11, 14. June 23-July 28. 



Mass.— 27. Conn.— 35. May 29-June 28. 



D. genualis Van Duzee, Cole and Aldrich, 21-119. 

 Me. — Moosehead, July 18; Machias, July 20. 



D. gratus Loew. 



N. H.— 11, 15. May 21. 



Mass.— 23, 27. Conn.— 35. June 10-July 30. 



D. harbecki Van Duzee, Cole and Aldrich, 21-233. 



Me. — Capens, July 16. N. H. — Mt. Washington, July 21 ; Fran- 



conia {Mrs. Slosson). 

 Mass. — Mt. Greylock, July 25. 



D. idoneus Van Duzee, Cole and Aldrich, 21-140. 

 Vt. — Lyndon, June 13, 1914 (Melander). 



D. incisuralis Loew. 



N. H. — Franconia {Mrs. Slosson). 

 Conn. — . 



D. incongruus Wheeler. 



N. H.— Mt. Monadnock, June 12; Jaffrey, July 4. 



Mass. — Bashbish Falls, June 27. 



D. indigena Van Duzee, Cole and Aldrich, 21-139. 



Me. — Mt. Desert, Aug. 18. N. H. — Hampton, Aug. 6 {Shaw). 



Mass. — New Bedford {Hough). 



D. johnsoni Aldrich. 

 N. H. — Jaffrey, June 7. 



D. laticornis Loew. 



Me.— 4. N. H.— 15. May 16-July 21. 



Mass.— 26, 27, 32. Conn.— 35. May 17-June 3. 



D. latipes Loew. 



N. H. — Franconia {Mrs. Slosson). 

 Mass. — -Woods Hole. 



D. latipes var. cognatus Melander and Brues. 

 Mass.— TFoods Hole, July 19. 



D. lobatus Loew. 

 Me.— Princeton, July 12. 



D. longimanus Loew. 



Me.— 7, 8. N. H.— 11, 12, 14. Vt.— 16, 20. June 24-Sept. 1. 



Mass.— 23. 



