CATALOGUE OF NORTH AMERICAN DIPTERA. 381 



purpurifera BIGOT, Annales. 1875, 477, 481 (tricincta, purpurifera, and varians) ; 

 1883, 63, syn. of rarians. Oaxaca, Mex. 



WILLISTON, Biologia, Dipt., in, 54, redesc. ; syn. Oaxaca, Mex. 

 pusilla MACOUART, Dipt. Exot., n, 2, 21, pi. v, f. 3. Cuba. 



WILLISTON, Synop. N. A. Syrpli.. 144, pi. vi, f. 3. Fla. 



St. Augustine and Georgians, Fla. Johnson ; Porto Rico Roeclcr. 

 quadrata WILLISTON, Biologia, Dipt., in, 46, pi. i, f. 12. Guerrero, Mex. 

 rafaelana TOXVXSEXD, Annals and Mag. Xat. Hist., xx, 28. \\-ra Cruz. 

 satur OSTEN SACKEN, West. Dipt., 333. Utah. Col. 



WILLISTON, Synop. N. A. Syrph.. 14.?, pi. vi, f. u. \V. Kans., Col. 



N. M. Snow. 



setigera OSTEN SACKEN, see lioagi. 

 sexpunctata LOEW, see pollens. 



sodomis TOWNSEND, Proc. Cal. Acad. Sci., iv. 66. Lower Cal. 

 tamaulipana TII\VNSEXD. Jour. N. Y. Ent. Soc., vi, 51. Brownsville. Tex. 

 tau BIGOT, Annales, 1883, 84. Mex. 



WILLISTON, Synop. N. A. Syrph.. pi. vi, f. 13. Cal. 



Col., N. M. Snow. 



testacea VAX DER WULP, Tijdschr. v. Ent., xxxiv. 203. Curacao. 

 tibialis MACOUART, Dipt. Exot., Suppl. i, 123. Yucatan. 

 tolteca TOWXSEND, Trans. Amer. Ent. Soc., xxn. 45; Proc. Cal. Acad. Sci., iv, 



616, notes. Guanaxuato, Mex. ; Lower Cal. 

 tricincta BIGOT, see purpurifera. 



tristis BIGOT, Annales, 1875, 48-2; 1883, 70 (tristis) ; 1883, Si, 86 (Phalacromyia 

 mclanorhina) . Mexico. [G. T.] 



GiGLio-Tos, Ditt. del Mess., i, 54, syn., etc.; may be same as Plialac. sub- 



rostrata ROND., from Brazil. Orizaba, Tnxpango, Tehuacan, Mex. 

 tympanitis FAERICIUS, Syst. Antl., 226 (Syrplnis}. S. A. 



WlEDEMANN, AllSS. Zweifl., II. 200. 



WILLISTON, Trans. Amer. Ent. Soc., xv, 275 ; Biologia, Dipt., in, 52, oc. 



Brazil ; Mexico and Panama. 



unilecta WALKER, Trans. Ent. Soc., n. ser., v, 292 (Tcmnoccra~). Mex. 

 vacua FAERICIUS, Syst. Ent., 763 (Syrphus) ; Ent. Syst., iv. 281 (id.) ; Syst. 

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



WlEDEMANN, AtlSS. Zweifl., II, 2O2. S. A. 



WALKER, List, in, 637, oc. in Ga. and Fla. 



TOWNSEND, Trans. Amer. Ent. Soc., xxn, 46, redesc. Jamaica, 

 varians BIGOT, Annales, see purpurifera. 

 variegata BIGOT, Annales, 1875, 478. Mex. 



GiGLio-Tos, Ditt. del Mess., i, 51. Orizaba; cmimstes WILL, may be the 



same. 

 vesiculosa FAERICIUS, Syst. Antl., 226 (Syrphus). S. A. 



WlEDEMANN, AllSS. Zweifl., II, 2OI. S. A. 



MACOUART, Dipt. Exot., Suppl. in, 39, pi. iv, f. 3.- 



WILLISTON, Synop. N. A. Syrph., 141, pi. vi, f. i. Pa., Conn., Md., Ky., 

 Fla. 



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

 victoria WILLISTON, Synop. N. A. Syrph., 145. N. M. 



TOWNSEND, Psyche, 1898, 267, oc. ; Annals and Mag. Xat. lli>t., xix, 141, 



notes. Both N. M. 

 violacea SAY, see csiiricns. 



viridana TOWNSEND, Annals and Mag. Xat. Hist., xx, 30. Vera Cruz, 

 viridula WALKER, Trans. Ent. Soc., n. ser., v, 292 (Tcmnocera). Mex. 



