50 FAUNA OF NEW EXGLAXD. 



C. thoracicus Loew. 



Mass. — ProAdncetown, June 24. Coxx. — ^Middletown, June 17. 



Psilotanypus Kiefifer, 0&-318. 



P. turpis Zetterstedt. 



N. H. — Mt. Washington (Mrs. Slosson), det. by Coquillett. 



Corynoneura TVinnertz. 



C. celeripes Winnertz. 



IvIe. — Orono, Oct. {Johannsen). 



Chironomus Meigen. 



C. albimanus Meigen. 



Mass. — Auburndale, Aug. 9; Sunderland, May 30; Tyngsboro, 

 June 5 (Fall). Coxx.— Rowayton, ]May 27. 



C. annularis DeGeer. 

 Me. — Bar Harbor, June 18. 



Mass. — Lvnn, Apr. 19; Welleslev, Apr. 28 (Morse); Boston, 

 Apr. 30.*^ 



C. attenuatus Walker. 



N. H. — ]Mt. Washington (Mrs. Slosson). 



C. barbipes Staeger. 



Mass. — Hj^annisport, July 4. 



C. brachialis Coquillett. 



Me.— Mt. Desert, Aug. 10. X. H.— Hanover, July 6. 

 Mass. — -Brookline, Aug. 2.3-Sept. 6; Auburndale, ^lay 26; Lex- 

 ington, July 2. R. I. — Wickford, June 9. 



C. braseniae Luthers, 22-30. 



Mass. — Forest Hills, Boston {R. H. Pettit). Th6 larvae burro-w- 

 in the floating leaves of the water-shield {Brasenia schreheri) 

 and water-lilies. 



C. cayugae Johannsen, 13-308. 

 Me. — Orrington. 

 Mass. — Woods Hole. 



C. cristatus Fabricius. 



Me. — i. N. H.— 11, 12, 1.5. Vt.— 16. June 19-Julv 21. 



Mass.— 26, 27, 32. Coxx.— 35. :May 3-Aug. 9. 



C. decorus Johannsen, 05-239. 



Me.— 7. X. H.— 12, 15. Vt.— 16, 19, 21. .June 5-Aug. 28. 



Mass.— 26, 27. R. I.— 33. June 8-Aug. 9. 



C. dorsalis Meigen. 

 Coxx. — . 



C. divinctus Say. 



:\Ie.— :\It. Desert, July 12. Vt.— St. Albans, June 19. 



