DIPTERA. 79 



Eudicrana Loew. 

 E. obumbrata Loew. 



Me.— 4, 7, 8. N. H.— 11. June 14-July 17. 

 Mass.— 23. June 24. 



Tetragoneura Winnertz. 

 T. bicolor Coquillett. 

 N. H. — Franconia (Mrs. Slosson). 

 Mass. — Blue Hill, Milton, June 4; North Adams, June 20. 



Sciophila Meigen. 

 S. quadratula (Loew). 

 Me. — . N. H. — Franconia. 



S. glabana Johannsen, 10-136. 



Me.— Mt. Desert, July 20. Vt.— Burlington, June 22. 



R. L — Buttonwoods, June 20. 



S. glabana var. germana Johannsen, 10-137. 

 Mass. — Bashbish Falls, June 28. 



S. glabana var. socia Johannsen, 10-137. 

 Vt. — Burlington, June 28. 

 Mass. — Boston. 



S. incallida Johannsen, 10-139. 



N. H.— Bretton Woods, June 28. 



Mass. — Arlington, May 26. Conn. — New Haven, June 26. 



S. hebes Johannsen. 



R. I. — Kingston, May {Barlow). 



S. pallipes Say. 



Me.— Orono, Sept. 9; Mt. Desert, Aug. 11 {Dr. C. S. Minot). 

 N. H.— Mt. Washington. 



S. fasciata Say. 



Vt. — St. Johnsbury, June 28. 



Paratinia Mik. 

 P. recurva Johannsen, 10-144. 

 Vt.— St. Albans, June 21. 



Polylepta Winnertz. 

 P. fragilis Loew. 



Mass. — "Massachusetts" {Loew). 



P. leptogaster Winnertz. 



N. H.— White Mts. 



P. obediens Johannsen. 



N. H.— Hampton, May 16 (Shaw); Mt. Washington, 4000 ft., 

 July 4-6. 



Mass.— Bedford; Chester, May 27. 



?P. grisea (Walker). 

 N. H.— White Mts. 



