CATALOGUE OF NORTH AMERICAN DIPTERA. 361 



glaciale JOHNSON, see Syrphits. 



kelloggi SNOW, Kans. Univ. Quart., in, 230. Col. 



melanocera WILLISTOX, Biologia, Dipt., in, 13. Costa Rica. 



mellinum LINNE, Syst. Xat., loth ed., 594 (Musca) ; Fauna Stiec.. 2cl ed.. 449 



( id.). Europe. 



SCOPOLI, Ent. Cam.. 346 (id.). 

 FABRICIUS, Syst. Ent.. 771 ; Ent. Syst., iv, 308 (Syrphus) ; Syst. Antl, 257 



(Scceva). 



FALLEN, Syrphici, 46 (Scaz'a). 

 MEIGEN, Syst. Beschr., in, 328, 329, 331 (Syrphus mcllarhts, mellititrgits, 



and mellimis). 



ZETTERSTEDT, Dipt. Scand., n, 759 (SVova). 

 SCHINER, Verb. Zool.-Bot. Ges., vn, 355 ; Fauna Austr., i. 292. 

 KOWARZ, Wien. Ent. Zcit., iv, 201. 

 BIGOT, Annales, 1884. 76, 79 (M.f c.nnitljta and M.f pruinosa). Sierra 



Leone and Cal. [Verrall.] 



BIGOT, Annales, 1884, 81 {M.f cruciatumY Alex. [Williston; there may 

 be some doubt as to this, for Verrall, who has Bigot's types, does not 

 mention this synonym.] 

 WILLISTON, Synop. N. A. Syrph.. 49, pi. in, f. 9. desc. and syn. ; Biologia, 



Dipt., in. 11, oc. and notes. V. S. and Mexico, common. 

 GiGLio-Tos, Ditt. del Mess., n. 37, bibliog., etc. Mexico. 

 HUNTER, Canad. Ent.-; xxix, 129, oc. in Alaska. 

 CHAGXON, fit. Prelim, les Syrph., 27. Quebec. 

 VERRALL, Brit. Flies, vm, 309, 51, exhaustive bibliography. 

 N. A., in nearly all local lists. 

 obscurum SAY, Anier. Entom., i, pi. xi ; Conipl. Works, i, 23 (Syrphus). Pa., 



Va. 



WIEDEMANN, Auss. Zweirl., ii, 131, transl. from Sa} r . 

 WILLISTON, Synop. N. A. Syrph.. 48. White Mts., N. H., Conn., Pa. 

 CHAGNON, fit. Prelim, les Syrph., 26. Montreal and Rigaud, Quebec. 

 N. J. Smith Cat. ; Sea Cliff, N. Y. Banks. 

 ? pachytarsis BIGOT, Annales, 1884, 80. Cal. Query by Bigot. 



WILLISTON, Synop. N. A. Syrph., 54, quotes orig. desc. 

 ? pictipes BIGOT, Annales, 1884, 78. Cal. Query by Bigot. 

 WILLISTON, Synop. N. A. Dipt., 53, quotes orig. desc. 

 ? quadrinotatum BIGOT, Annales, 1884. 77. Mex. Query by Bigot. 



WILLISTON, Biologia, Dipt., in. 14, note, not seen. 

 ? rufipes WILLISTON, Proc. Amer. Phil. Soc., xx, 306 (Chili, Synop. 



Syrph., 47. Wash. Doubt by Williston. 

 HUNTER, Ent. News, vn, 216, male, etc. 



rugonasus WILLISTON, Biologia, Dipt., in, 13. Guerrero, Mex. 

 stegnum SAY, Jour. Acad. Sci. Phil., vi, 163; Compl. Works, 11, 358 (Syrphus). 



-Mex. 

 MACQUART, Dipt. Exot., n, 2, 103, pi. xvi, f. 6 (Syrphus fcncstratus). 



Chili. 



SCHINER, Novara, 351 (id.). S. A. 



THOMSON, Eugen. Resa, 502 (Syrphns trichopns). Cal. 

 PHILIPPI, Aufzahl. d. Chil. Dipt., 746 (id.). Chili. 

 OSTEN SACKEX, West. Dipt., 323 (tigrina). Cal. 

 BIGOT, Annales, 1884, 80 (M.F rostratum). Cal. 

 WILLISTON. Trans. Amer. Ent. Soc., xv, 10 (stegnum and fene stratum) ; 



