DIPTERA. 273 



N. scalaris Loew. 



N. H.— 11, 15. Aug. 24. 



Mass.— 27, 29. R. I.— 33. Conn.— 35. June 26-Aug. 24. 



Dichaeta Meigen. 



D. caudata (Fallen) {D. brevicauda Loew). 

 Me.— 7, 8. N. H.— 11, 12, 14, 15. April 25-Sept. 1. 

 Mass.— 26, 27, 29, 32. R. I.— 33. Conn.— 35. May 20- 

 Aug. 23. 



Typopsilopa Cresson, 16-147. 

 T. atra Loew. 

 Conn.— New Haven, Oct. 21, 1903 (Viereck). 



Philygria Stenhammer. 



P. debilis Loew (P. fuscicornis Loew). 



Me.— Mt. Desert, July 25-Sept. 7. N. H.— Mt. Washington 



{Mrs. Slosson). Vt. — Lyndon (Melander). 

 Mass. — Beverly (Burgess); Forest Hills, Boston. 



P. fuscicornis Loew. 



Me.— Mt. Katahdin, 4750ft., Aug. 21, 1913 {Alexander). N. H.— 



Mt. Washington {Mrs. Slosson). 

 Mass. — Essex Co., June 20 {Morse). Conn. — New Haven, May 



12, 1904 {Viereck). 



P. opposita Loew. 



N. H.— 11, 12, 13. Vt.— 20. June 30-Sept. 11. 



Mass.— 27. R.I.— 33. July 31-Sept. 6. 



P. picta Fallen. 



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



Gastrops Williston. 



G, nebulosus Coquillett. 



Mass. — Woods Hole, Sept. {Sturtevant) . Conn. — New Haven, 

 Oct. 18 (G. M. Allen). 



Ephydridae. 



Pelina Haliday. 

 P. truncatula Loew. 



Mass. — Barnstable, July 5; Provincetown, July 10 {Morse). 

 R. L — Providence, Aug. 10 {Davis). 



Lytogaster Becker. 



L. gravida (LoewO {L. wilUstoni Cresson, 16-150). 

 Mass.— Scituate, May 15, 1915; Rockport, July 15, 1904. 



L. extera Cresson, 24-162. 

 Mass. — Danvers, Sept. 23. 



