DIPTERA. 131 



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

 VT.-^Mt. Mansfield, 4000 ft., July 21, 1891 (Morse). 



D, flavilacertus 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. Slosso7i). 

 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. — Woods 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. 



