CATALOGUE OF NORTH AMERICAN DIPTERA. 305 



LOEW, Cent., v, 82; Mon. N. A. Dipt., n, 327 (both splendidulus) . White 



Mts., N. H. [From types.] Ont., 111. M. and B. 



stenhammari ZETTERSTEDT, Ins. Lapp., 710 (annulipes, preoc.) ; Dipt. Scand., n, 

 521. N. Sweden and Lapland. 



OSTEN SACKEN, Cat., 108, oc. at Sloop Harbor, Labrador. 



COQUILLETT, Proc. Wash. Acad. Sci., n, 424, oc. in Alaska, several places, 

 subciliatus LOEW, Mon. N. A. Dipt., n, 43. Ft. Resolution, Huds. B. Terr. 

 tenet LOEW, Neue Beitr., vin, 17; Mon. N. A. Dipt., n, 49. Chicago. 



Wis. M. and B. 



tenuipes ALDRICH, Kans. Univ. Quart., n, 155 ; Amer. Naturalist, 1894, 35, court- 

 ship (?/. J/>.). Moscow, Ida. Cal. M. and B. 

 terminalis LOEW, Cent., vii, 78. Genesseo, N. Y. Wis. M. and B. 

 tetricus LOF.W, Mon. N. A. Dipt., i, 33. Ft. Resolution, Huds. B. Terr. 

 tonsus LOEW, see eudactylus. 

 variabilis LOEW, Neue Beitr., vin, 17; Mon. N. A. Dipt., n, 50. N. Y. 



ALDRICH, Kans. Univ. Quart., n, n, oc. in Mass., Pa., N. ]., S. D. 



111., Wis. M. and B. ; Montreal Chagnon ; White Mts., N. H. Slosson. 

 varipes COQUILLETT, Proc. Wash. Acad. Sci., n, 425. Popof Id., Alaska. 



Craig's Mt., Ida. J. M. A. 

 varius WALKER, see Pelastoneurus pictipennis. 

 vigilans ALDRICH, Kans. Univ. Quart., n, 13, pi. i, f. 15. Kans. 

 vittatus LOEW, Neue Beitr., vin, 20; Mon. N. A. Dipt., n, 55. Chicago. 



N. Y. O. S. Cat. ; S. D. Aldrich ; Wis. M. and B. ; N. J. Smith Cat. ; 



Montreal Chagnon. 

 wheeleri MELANDER and BRUES, Biolog. Bull., i, 126, figs. (Hygroceleuthus). 



Wood's Hole, Mass. 



willistonii ALDRICH, Kans. Univ. Quart., n, 22, pi. i, f. 23. Lawrence, Kans. 

 xanthocnemus LOEW, Mon. N. A. Dipt., n, 21. Sitka. 



COQUILLETT, Proc. Wash. Acad. Sci., n, 424, oc. in Alaska, several places. 



GYMNOPTERNUS. 



LOEW, Neue Beitr., v, 10, 1857; vin, 26, 1861 ; Mon. N. A. Dipt., n, 75, 

 1864. 



SCHINER, Fauna Austr., i, 205, 1862. 



albiceps LOEW, Neue Beitr., vin, 30; Mon. N. A. Dipt., n, 85. Middle States. 

 barbatulus LOEW, Neue Beitr., vin, 29; Mon. N. A. Dipt., 11, 82. Middle States. 



N. J. Smith Cat. 



chalcochrus LOEW, Mon. N. A. Dipt., 11, 335. D. C, N. Y. 

 coxalis LOEW, Cent., v, 87; Mon. N. A. Dipt., 11, 335. N. Y. 

 crassicauda LOEW, Neue Beitr., vin, 35 ; Mon. N. A. Dipt., n, 95. N. Y. 

 debilis LOEW, Neue Beitr., vin, 35 ; Mon. N. A. Dipt., n, 95. Pa. 



N. J. Smith Cat. ; Fla. Johnson. 



despicatus LOEW, Neue Beitr., vin, 33 ; Mon. N. A. Dipt., u, 90. Middle States, 

 difficilis LOEW, Neue Beitr., vin, 33; Mon. N. A. Dipt, n, 91. N. Y. 

 exiguus LOEW, Mon. N. A. Dipt., n, 337. 111. 

 exilis LOEW, Neue Beitr., vin, 30; Mon. N. A. Dipt., 11, 84. Pa. 



N. J. Smith Cat. 



fimbriatus LOEW, Neue Beitr., vin, 32; Mon. N. A. Dipt, n, 89. Md. 

 flavus LOEW, Neue Beitr., vin, 28; Mon. N. A. Dipt., n, 80. Pa. 



N. J. Smith Cat. 

 frequens LOEW, Neue Beitr., vin, 32; Mon. N. A. Dipt., n, 88. Middle States. 



White Mts., N. H. Slosson. 

 humilis LOEW, Mon. N. A. Dipt., 11, 336. N. Y., 111. 



