DIPTERA. 87 



M. mutica Loew. 



Me.— 8. N. H.— 11. Vt.— 16, 21. June 5-July 30. 



Mass.— 23, 27. May 28-Sept. 19. 



M. lenis Johannsen, 12-94. 

 Me. — Eastport, July. 



M. bipunctata Loew. 



Me.— Orono, Nov. N. H.— White Mts. 



M. inculta Loew. 



R. L — Kingston (Barlow). 



M. scalaris Loew. 



Me.— 7, 8. N. H.— 11, 12. Vt.— 16, 17, 18. June 15-July 6. 



Mass.— 27, 28, 29. Conn.— 35. July 27-Sept. 10. 



M. pinguis Loew. 



Me.—. N. H.— White Mts. 



M. foecunda Johannsen, 12-99. 

 Me. — Orono. 



M. imitator Johannsen, 12-99. 

 Me. — Orono, Nov., March 31. 



M. perlonga Johannsen, 12-100. 



Me,— 8. N. H.— 11, 14. June 14-Aug. 17. 



Mass.— 23. Aug. 7. 



M. fastosa Johannsen, 12-91. 



Me.— 6, 7, 8. N. H.— 11, 15. Vt.— 16. Apr. 9-July 21. 



Mass.— 25, 27. Conn.— 35. Mar. 14-Sept. 4. 



M. lenta Johannsen, 12-102. 



Me. — Orono, Oct., bred from mushrooms; Capens, July 19. 



M. anomala Johannsen, 12-96. 



Mass. — Chester, May 28; Williamsburg, Aug. 7. 



M. sigmoides Loew. 



N. H. — White Mts.; Hampton, Apr. 8 {Shaw). 



M. exusta Johannsen, 12-104. 



Mass. — . 



M. edentula Johannsen, 12-105. 

 N. H. — Hampton, Oct. {Shaw). 



M. trichonota Loew. 



Me.— 8. N. H.— 11. Vt.— 16, 21. June 5-July 21. 



Mass.— 23, 27. Aug. 3-7. 



M. monochaeta Loew. 

 Conn. — . 



M. bifasciata Walker. 



N. H. — Mt. Washington {Mrs. Slosson). 



