CATALOGUE OF NORTH AMERICAN DIPTERA. 367 



mutuus SAY, Jour. Acad. Sci., vi, 164; Compl. Works, n, 358. Mex. 



nigripes LOE\V, Cent., vi, 44. Cuba. 



ochrostoma ZETTERSTEDT, Dipt. Scand., vin, 3133 (Scccra). Europe. 



SCHINER, Fauna Austr., i, 310. 



VAN DER WULP, Tijdschr. v. Ent, xxv, 134, oc. in N. A. Canada. 



WILLISTON, Synop. N. A. Syrph., 293, note; not seen. 

 oestriformis WALKER, see Erisfalis. 

 opinator OSTEN SACKEX, West. Dipt., 327. Mann Co., Cal. 



WILLISTON, Synop. N. A. Syrph., 83. Wash.. Ore., Cal. 



TOWNSEND, Proc. Cal. Acad. Sci., iv, 612, notes. 



SNOW, Kans. Univ. Quart., in, 236. Col, N. M. 

 pauxillus WILLISTON, Synop. N. A. Syrph., 74. X. M. 



See crc[>cr. 



perpusillus BIGOT, see Eupcodcs rolncris. 

 philadelphicus MACQUART, Dipt. Exot., n, 2, 93, pi. xvi, f. 2. Philadelphia. 



OSTEN SACKEN, Cat., 123, and note 209, perhaps same as ribcsii. 

 prseustus LOE\V, Cent., vi, 45. Cuba. 

 profusus WALKER, see Milcsia. 

 protritus OSTEN SACKEN, West. Dipt., 328. Saucelito, Cal. 



WILLISTON, Synop. N. A. Syrph., 77, quotes desc. 



HUNTER, Canad. Ent., xxix, 130, oc. at Cook's Inlet, Alaska. 



JOHNSON, Ent. News, xi, 17, oc. in Alaska. 

 pullulus SNOW, Kans. Univ. Quart., m, 237. N. M., 8,000 ft. 



Beulah, N. M. Skinner. 



quadrifasciatus BIGOT, in Sagra's Cuba, 804, pi. xx, f. 5. Cuba, 

 quinquelimbatus BIGOT, Annales, 1884, 91. Cal. 



WILLISTON, Synop. N. A. Syrph., 8", quotes orig. desc. 

 quintius WALKER, see Mesograwma iiuirginata. 

 radiatus BIGOT, in Sagra's Cuba, 804. Cuba. 



i ribesii LINNE, Syst. Nat., loth ed., 593 (Musca) ; Fauna Suec., 2d ed., 447 (id.). 

 Europe. 



FABRICIUS, Syst. Ent., 770; Spec. Ins., n, 432; Ent. Syst., iv, 304; Syst. 

 Antl., 248 (Scava). 



LATREILLE, Gen. Crust., iv, 325. 



FALLEN, Syrphici, 40 (Scwa). 



MEIGEN, Syst. Beschr., in, 306. 



KIRBY, Fauna Bor. Amer. (Scccva) ; repub. in Canad. Ent, xin, 167. 

 Canada. 



ZETTERSTEDT, Dipt. Scand., n, 707 (Scava) ; vm, 3132 (id.). 



SCHINER, Verh. Zool.-Bot. Ges., vii, 340; Fauna Austr., i, 310. 



OSTEN SACKEN, Proc. Bost. Soc. Nat. Hist., xvin, 140 (rcctus) ; Cat., 123, 

 syn. 



WILLISTON, Synop. N. A. Syrph., 77. Atlantic, Middle and Pacific States. 



WILLISTON, Biologia, Dipt., in, 17, notes. Guenvro, Mex. 



GiGLio-Tos, Ditt. del Mess., 11, 27, bibl, etc. Tehuacan, Mex. 



CHAGNON, fit. Prelim, les Syrph., 36. Montreal. 



VERRALL, Brit. Flies, vin, 366. 



Alaska Coquillett; also in almost all local lists of the United States. 

 ruficauda SNOW, KaTis. Univ. Quart., i, 36, pi. vii, f. 3; in, 234. Col.; N. M. 

 saussurii GiGLio-Tos, Ditt. del Mess., n, 30. Orizaba. Mex. 

 sexmaculata PALISOT DE BEAUVOIS, Ins., 224, pi. m, f. 8. S. States and San Do- 

 mingo. 



OSTEN SACKEN, Cat, 124, note. 



