398 CATALOGUE OF NORTH AMERICAN DIPTERA. 



analis WILLISTON, Synop. N. A. Syrph., 226. Cal., N. M. 



HUNTER, Canad. Ent., xxvin, 100, notes on antennae, etc. Xebr. 



N. J. Smith Cat. 

 angustiventris LOEW, Cent., vi, 58. 111. 



WILLISTON, Synop. N. A. Syrph., 231 and 234 (angnstiventris and clong- 

 ata). N. H., N. Y., Pa. [Will.] 



HUNTER, Canad. Ent., xxvin, 101, notes. Nebr. 



CHAGNON, fit. Prelim, les Syrph., 64. St. Hilaire, Quebec. 



N. J. Smith Cat. 

 annulifera BIGOT, see cjnncida. 

 anthreas WALKER, List, in, 556. Trenton Falls, N. Y. 



WILLISTON, Synop. N. A. Syrph., 235. N. H. 



N. J. Smith Cat. ; Montreal Chagnon. 



arcuata SAY, Jour. Acad. Sci. Phil., vi, 162; Compl. Works, n, 357. Mex. 

 barbata LOEW, Cent., v, 40. Sitka. 



WILLISTON, Synop. N. A. Syrph., 233. Ore., Wash., Cal. 



COQUILLETT, Proc. Wash. Acad. Sci., n, 437, oc. in Alaska. 



HUNTER, Canad. Ent., xxix, 101, notes. Cal. 

 bicolor LOEW, Cent., v, 39. 111. 



WILLISTON, Synop. N. A. Syrph., 229. Pa. 



N. J. Smith Cat. 



brachygaster WILLISTON, Biologia, Dipt., in, 72. Guerrero, Mex. 

 chalybea WIF.DEMAXN, Anss. ZweifL, n, 98. -No locality. 



WILLISTON, Synop. N. A. Syrph., 233. Pa., Va., 111. 



TOWNSEND, Trans. Amer. Ent. Soc., xxn, 53, oc. in D. C. 



N. J. Smith Cat. 

 coloradensis BIGOT, Annales, 1884, 544. Col. 



WILLISTON, Synop. N. A. Syrph., 236, quotes desc. 

 communis WALKER, List, in, 557. Martin Falls, Canada, 

 curvipes LOEW, Neue Beitrage, n, 19. Central Europe. 



SCHINER, Fauna Austr., i, 355. 



OSTEN SACKEN, Bull. Buff. Soc. Nat. Sci., in, 70; Cat., 252. 



? BIGOT, Annales, 1884, 546 (satanica}. Cal. [Will, with a query.] 



WILLISTON, Synop. N. A. Syrph., 232. N. H., N. Y., Minn., Cal. 



CHAGNON, fit. Prelim, les Syrph.. 63. Ottawa, Canada. 



White Mts., N. H. Slosson; Montreal Chagnon; Axton, N. Y. M. 



and H. 



ejuncida SAY, Amer. Entomol., i, pi. vni ; Compl. Works, i, 15. E. Fla. and 

 Philadelphia. 



WlEDEMANN, AllSS. Zweifl., II, IOO. 



OSTEN SACKEN, Cat., 252, note. 



BIGOT, Annales, 1884, 545 (annulifera'). N. A. [Will] 



WILLISTON, Synop. N. A. Syrph., 229, pi. xi, f. 8. U. S. generally. 



HUNTER, Canad. Ent., xxix, 143, oc. at Cook's Inlet, Alaska. 



CHAGNON, fit. Prelim, les Syrph., 64. St. Jean and St. Hilaire, Quebec. 



N. J. Smith Cat. ; Fla., Johnson ; Axton, N. Y. M. and H. 



Sec quadrimaculata. 



elongata WILLISTON, see angtisth'cntris. 

 flavifrons WALKER, List, in, 537. Mart in Falls, Canada. 



WILLISTON, Synop. N. A. Syrph., 234, note. 

 flavitibia BIGOT, Annales, 1884, 546. Cal. 



WILLISTON, Proc. Amer. Phil. Soc., xx, 327 (Xylota, n. sp.~) ; Synopsis 

 N. A. Syrph.. 228, pi. xi, f. 6. Col. 



