380 CATALOGUE OF NORTH AMERICAN DIPTERA. 



nautlana TOWNSEND, Annals and Mag. Nat. Hist., xx, 28. Vera Cruz. 



nigrifacies BIGOT, Annales, 1875, 479. Mex. 



obesa FABRICIUS, Syst. Ent., 763 (Syr pints) ; Ent. Syst., iv, 282 (id.) ; Syst. 



Antl., 227 (id.). W. I. 



ST. FARGEAU et SERVILLE, Encycl. Meth., x. 786 (Ornidia). S. A. 

 WIEDEMANN, Auss. Zweifl., ii, 199- 

 MACQUART, Hist. Nat. Dipt., i, 494. Asia and S. A. 

 SCHINER, Novara, 356, note. S. A. 



WILLISTON, Synop. N. A. Syrph.. 143, pi. v, f. 9; Trans. Amer. Ent. Soc., 

 xv, 272 ; Biologia, Dipt., in, 50, notes. San Domingo, Mex., N. M. ; 

 Brazil; Mex. 



TOWNSEND, Trans. Amer. Ent. Soc., xxn, 43, notes. Jamaica. 

 GiGLio-Tos, Ditt. del Mess., i, 64, full, bibliog., etc. ; Annales Soc. Ent. 

 de France, 1895, 360, note. Mexico, Madagascar, E. Indies, etc.; Isle 

 de Secheiles. 



St. Vincent Williston; Porto Rico Roeder; Jamaica Johnson. 

 obesoides GiGLio-Tos, Boll. R. Univ. Torino, vii, No. 123, 1892; Ditt. del Mess., 



i, 65. Mex. 

 omochroma GiGLio-Tos, Boll. R. Univ. Torino, vn, No. 123, 1892; Ditt. del 



Mess., i, 47. Mex. 



opalescens TOWNSEND, Trans. Amer. Ent. Soc.. xxvii, 160. Organ Mts.. N. M. 

 opalina TOWNSEND, Annals and Mag. Nat. Hist., xx, 29. Vera Cruz. 



var. splendens TOWNSEND, loc. cit. 



opinator WILLISTON, Biologia, Dipt., in, 51, pi. i, f. 14. Vera Cruz, Mex. 

 ornata WILLISTON, Biologia, Dipt., in, 49. Jalapa, Mex. 



GiGLio-Tos, Boll. R. Univ. Torino, vii, No. 123, 1892 ( liispida) ; Ditt. del 



Mess., i, 61. Jalapa and Orizaba, Mex. 

 pallens WIEDEMANN, Auss. Zweifl., 11, 204. Brazil. 



LOEW, Wien. Ent. Monatsch., v, 38 (se.rpitnctata) ; Cent., vi, 37 (id.). 



Cuba. 



WILLISTON, Trans. Amer. Ent. Soc., xv, 275; Synop. N. A. Syrph., 141. 

 pi. vi, f. 2 (sexpunctata Lw.) ; Biologia, Dipt., in, 53, syn. and oc. ; Ent. 

 News, in, 146, syn. Brazil; Fla. ; Guatemala. 



GiGLio-Tos, Ditt. del Mess., i, 57. Playa Vicente and Meztillan, Mex. 

 TOWNSEND, Trans. Amer. Ent. Soc., xxii, 45, oc. in Jamaica. 

 Fla. and Jamaica Johnson ; Porto Rico Roeder. 

 picta WIEDEMANN, Auss. Zweifl., ii, 201. Brazil. 

 BIGOT, in Sagra's Cuba, 802, oc. in Cuba. 

 SCHINER, Novara, 358. Brazil. 

 RONDANI, Studi Ent., 65.- Brazil. 

 B'IGOT, Annales, 1875, 480 (pitlchripcs) . Mex. 

 WILLISTON, Trans. Amer. Ent. Soc., xv, 275; Biologia, Dipt., in, 47. 



syn., etc. Brazil ; Mexico, several places. 

 postica SAY, Jour. Acad. Sci. Phil, vi, 166; Compl. Works, ii, 360. Mex. 



GiGLio-Tos, Ditt. del Mess., i, 49, desc. ; would make castanca BIG., a 



synonym. Tehuacan, Mex. 

 pubescens LOEW, Wien. Ent. Monatsch., v, 38 (Tcmnoccra) ; Cent, vi, 35 (id.). 



Cuba. 



WILLISTON, Synop. N. A. Syrph., 148, transl. orig. desc. 

 pulchripes BIGOT, see picta. 

 purpurascens LOEW, Cent., vin, 52. Hayti. 



WILLISTON, Synop. N. A. Syrph., 148, transl. orig. desc. 

 Jamaica Johnson. 



