CATALOGUE OF NORTH AMERICAN DIPTERA. 587 



venusta WILLISTON, Trans. Ent. Soc. Lond., 1896, 384. St. Vincent, W. I. 



vinnula GiGLio-Tos, Boll. R. Univ. Torino, vin, No. 158, 1893; Ditt. del Mess., 

 iv, 48. Tuxpango, Mex. 



vittigera COQUILLETT, Jour. N. Y. Ent. Soc., x, 178. Ga. 



vulgaris FITCH, 1st N. Y. Kept., 300, pi. i (Chlorops). N. Y. 



VAN DER WULP, Tijdschr. v. Ent., x, 159 (plumata). Wis. [O. S.] 

 TOWNSEND, Canad. Ent., 1893, 303 (occllaris). N. M. [Kahl.] 

 F. LYNCH A., Ann. Soc. cient. Argentina, xxxiv, 283. Argentina 

 WILLISTON, Trans. Ent. Soc. Lond., 1896, 384, notes. St. Vincent, W. I. 



* COCKERELL, Jour. N. Y. Ent. Soc., vi, 206, oc at Agency, N. M. 

 OSTEN SACKEN, Cat., 261, note 311. 

 Pacific Coast Will. ; N. J. Smith Cat. 

 See note to Pachycerina verticalis. 



CH./ETOC(ELIA. 



GiGLio-Tos, Boll. R. Univ. Torino, vui, No. 158, 1893; Ditt. del Mess., iv, 



SO, 1895. 

 palens GiGLio-Tos, Boll. R. Laiiv. Torino, vm, No. 158; Ditt. del Mess., iv, 51, 



f. 14. Orizaba, Mex. 

 vergens GiGLio-Tos, Ditt. del Mess., iv, 51, f. 15. Tuxpango, Mex. 



TRIGONOMETOPUS. 



MACQUART, Hist. Nat. Dipt., n, 419, 1835. 



LOEW, Centuries, App., p. 290, note. 



WILLISTON, Manual, 127, footnote, 1896. 



CZERNY, Wien. Ent. Zeit, xxii, 62, discusses relations, 1903. 

 punctipennis COQUILLETT, Canad. Ent., xxx, 280. Col. 

 rotundicornis WILLISTON, Trans. Ent. Soc. Lond., 1896, 388, pi. xin, f. 137. St. 



Vincent, W. I. 

 vittatus LOEW, Cent., vm, 98; App., p. 290, note. Ga. 



ORTALIM:. 



VAN DER WULP, Biologia, Dipt., n, 377, 1897, def. and table of genera of the 

 Mexican region, including Rhopalomcra and Toxotrypana. 



PYRGOTA. 



WlEDEMANN, AllSS. Zw., II, 580, 1830. 



MACQUART, Dipt. Exot, n, 3, 197, 1843 (Oxyccphala). 



SCHINER, Fauna Austr., n, 66, 1864. 



LOEW, Mon. N. A. Dipt., m, 72, 1872. 



chagnoni JOHNSON, Canad. Ent., 1900, 246. Montreal Id., Canada. 

 fenestrata MACQUART, Dipt. Exot., Suppl. iv, 281, pi. xxvi, f. i (Oxyccphala). 



No locality; Osten Sacken gives N. A. in Cat., 181. 

 filiola LOEW, Zeitsch. f. Ges. Naturwiss., 1876, 332. Tex. 



OSTEN SACKEN, West. Dipt., 343 (dcbilis). Ky. [O. S.] 



Ormond, Fla. Johnson. 



lugens VAN DER WULP, Biologia, Dipt., n, 378, pi. x, f. i. Guatemala. 

 pterophorina GERST^CKER, Stett. Ent. Zeit., xxi, 190, pi. n, f. 6. Carolina. 



LOEW, Mon. N. A. Dipt., m, 81, transl. of desc., with notes. 

 undata WIEDEMANN, Auss. Zw., n, 581, pi. x, f. 6. N. A. 



