DIPTERA. 81 



N. illustris Johannsen, 10-163. 



Mass.— Auburndale, Aug. 13; Plymouth, July 28; Blue Hill, 



July 16; Southbridge, Sept. 3. R. I. — Button woods, June 21; 



Kingston, Jul}^ 26. 



Mycomya Rondani. 

 M. littoralis (Say). 



Me— 8. N. H.— 11. Vt.— 21. July 9-13. 

 Mass.— 23, 27. Conn.—. May 28-July 16. 



M. sequax Johannsen, 10-172. 



Me.— Princeton, July 12; Mt. Desert, June 13. 



M. obliqua (Say). 



Me.— 8. N. H.— 11. July 22-30. 



Mass.— 27, 28, 29, 31, 32. R. I.— 33. June 28-Aug. 31. 



M. tantilla (Loew). 



Me.— Machias, July 26; Mt. Desert, July 30 (McAtee). 



M. imitans Johannsen, 10-177. 



Me.— Mt. Desert, July 15. 



Mass. — Washington, Aug. 8. R. I. — Kingston (Barlow). 



M. maxima Johannsen, 10-179. 



Me.— 4, 6, 7, 8. N. H.— 11. Vt.— 16, 18. June 21-July 21. 



Mass.— 23. June 27. 



Type locality, Nain, Labrador, not "Maine." 



M. biseriata (Loew). 



Me. — Capens, July 14. Vt. — St. Albans, June 21. 



M. hirticollis (Say), 

 N. H.— White Mts. 



M. flavohirta (Coquillett). 



N. H. — Franconia (Mrs. Slosson). 



M. mendax Johannsen (?). 



N. H.— Bretton Woods, June 24. Vt. — St. Johnsbury, June 27. 



?M. onusta (Loew), 



Me.— Mt. Desert, June 30 (Dr. Minot); Kineo, Aug, 17 {Alex- 

 ander) . 

 Mass.— October Mt., July 24. 



M. incompta Johannsen, 10-186, 

 Me.— Capens, July 21. 



Gnoriste Meigen. 



G. megarrhina Osten Sacken. 



Me.— 7. N. H.— 11. Vt.— 21. June 5-July 14. 



Mass.— 23. May 28- June 20. 



G. macra Johannsen, 11-257, 

 N, H, — Glen House, June 11. 



