248 The Ohio Naturalist. [Vol. V. No. 2, 



insuetus Osten Sacken, West. Dipt. 219. From Cal., ^Yash., Col., Nev., 



Alaska, 

 intensivus Townsend, Psyche VIII, 9.3. From N. Max., Col. 

 laticeps Hine, Described in this paper. From Cal. and Washington, 

 laticornis Hine, Described in this paper. Froin Ariz, and Mex. 

 lineola Fabricius, Ent. Syst. IV, 369. Syst. Antl. 102. Osten Sacken, Pro- 

 drome II, 448. Biol. Cent. Am. I, 56. From eastern N. A. west to 

 Col. and Utah. 

 (?) sciitellaris Walker, Dipt. Saund. 27. 

 simulans Walker, List I, 182. 



trilincatus (Latr. ?) Bellardi, Saggio Ditt. Mess. I, 63 

 opacus Coquillett, Invert. Pacifica I, 21. Froin Nev., Utah, Wyo. 

 osburni Hine, Described in this paper. From B. C, Alaska, Mont., Wash, 

 phaenops Osten Sacken, AVest. Dipt. 217. From Cal., Col., Wash., B. C, 



Alaska, 

 procyon Osten Sacken, West. Dipt. 216. From Cal. 

 productus Hine, Described in this paper. From Wyoming and Utah, 

 punctifer Osten Sacken, Prodrome II, 4.53. West. Dipt. 220. From west- 

 ern N. A. as far north as San Francisco, 

 reinwardtii Wiedinann, Auss. zweifl, Ins. I, 130. Osten Sacken, Prodrome 

 II, 461. From eastern N. A. as far west as Colorado. 

 crythrolctns Walker, Dipt. Saund. 25, tab. 2, fig. 1. 

 rhombicus Osten Sacken, Prodrome II, 472. West. Dipt. 218, From Col., 

 Wyo., Or., Wash., Mont. 

 melanorhinus Bigot, (Therioplectes?), Mem. Soc. Zool. Fr. V, 642. 

 septentrionalis Liew, Verb. zool. bot. Ges. VIII, 592. Osten Sacken, Pro- 

 drome II, 467. From Labrador, Alaska. Wis., Ouebec, Alberta, Dak., 

 Wyo., B. C, White Mts., N. H. 

 sequax Williston, Tr. Ks. Ac. Sc. X, 137. From Ore., Wash., B. Col. 



leucophoriis Bigot, Mem. Soc. Zool. Fr. V. 640. 

 sonomensis Osten Sacken, West. Dipt. 216. From Cal., Wash., B. Col., 

 Alaska. 

 hccmaphorus Marten Can. Ent. XIV, 210. 

 susurrus Marten, Can. Ent. XV, 111. From Mont., Wyo. 

 venustus Osten Sacken, Prodrome II, 444. Hine, Tabanidae of Ohio 56. 



From Texas, Okl. Ks., Ohio, 

 zonalis Kirby, Faun. Bor. Am. IV, 314. Republication of Kirby's descrip- 

 tion in Can. Ent. XIII, 167. Osten Sacken, Prodrome II, 4()3. Cata- 

 logue of 1878, 56 and 226. Townsend, Tr. Am. Ent. Soc. XXII, 58. 

 From northern U. S. and Canada. 

 flavocinctiis Bellardi, Sag. Ditt. Mess. I, 61. Osten Sacken, Catalogue of 



1878, 226. 

 tarandi Walker, List I, 156. 

 terrce-novcc Macquart, Dipt. Exot. Suppl. 4, 35. 



