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, viii. No. 158, 1893; Ditt. del Mess., 

 IV, 48. — Tuxpango, Mex. 



vittigera Coquillett, Jour. N. Y. Ent. Soc, x, 178. — Ga. 



vulgaris Fitch, ist N. Y. Rept., 300, pi. i (Clilorops). — N. Y. 



Van der Wulp, Tijdschr. v. Ent., x, 159 (phimata). — Wis. [O. S.] 

 TowNSEND, Canad. Ent., 1893, 303 (oceUaris). — N. M. [Kahl] 

 F. Lynch A., Ann. Soc. cient. Argentina, xxxiv, 283. — Argentina 

 Williston, Trans. Ent. Soc. Lond., 1896, 384, notes. — St. Vincent, W. T. 

 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^TOC(ELIA. 



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



SO, 1895. 

 palens Giglio-Tos, Boll. R. Univ. Torino, viii. No. 158; Ditt. del ]\Iess., iv, 51, 



f. 14. — Orizaba, Mex. 

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



TRIGONOMETOPUS. 



Macouart, Hist. Nat. Dipt., 11, 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. xiii, f. 137. — St. 



Vincent, W. L 

 vittatus LoEW, Cent., viii, 98; App., p. 290, note. — Ga. 



ORTALID/E. 



V.'\N DER Wulp, Biologia, Dipt., 11, ^,77, 1897, def. and table of genera of the 

 Mexican region, including Rhopaloincra and Toxotrypana. 



PYRGOTA. 



Wiedemann, Auss. Zw., ii, 580, 1830. 



Macquart, Dipt. Exot., 11, 3, 197, 1843 (Oxyccphala). 



Schiner, Fauna Austr., 11, 66, 1864. 



LoEW, Mon. N. A. Dipt., iii, 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). — K}^ [O. S.] 



Ormond, Fla. — Johnson, 

 lugens Van der Wulp, Biologia, Dipt., 11, 378, pi. x, f. i. — Guatemala. 

 pterophorina Gerst^cker, Stett. Ent. Zeit., xxi, 190, pi. 11, f. 6. — Carolina. 



LoEW, Mon. N. A. Dipt., iii, 81, transl. of desc, with notes. 

 undata Wiedemann, Auss. Zw., ii, 581, pi. x, f. 6. — N. A. 



