194 CATALOGUE OF NORTH AMERICAN DIPTERA. 



Macquart, Dipt. Exot., Suppl., iv, 2^ (bicolor). — Mex. [Bellardi.] 



WiLLiSTON, Biologia, Dipt., Suppl., 253, oc. in Guerrero, several places. 

 seminuda Coquillett, Jour. N. Y. Ent. Soc, x, 137.— Chihuahua, Mex. 

 tenuirostris Walker, Trans. Ent. Soc, v, 272. — Mex. 

 tranquilla Osten Sacken, Prodrome, i, 367. — Pa., Mass., N. H., Quebec. 



WiLLiSTON, Kans. Acad. Sci., x, 130, oc. in N. Y. ; notes. 

 velutina Bigot, Mem. Soc. Zool. France, v, 615 (Corizoneiira). — Cal. 

 wiedemanni Bellardi, Saggio, i, 48. — Mex. 



Wiedemann, Auss. Zw., ii, 621 {basilaris, preoc). — Mex. 



Walker, List, v, 120 (id.). — Mex. 



WiLLiSTON, Biologia, Dipt., Suppl. 254, oc. in Guerrero ; note. 



GONIOPS. 



Aldrich, Psyche, March, 1892, 236. 

 HiNE, Tabanidae of Ohio, 45, 1903, note. 

 chrysocoma Osten Sacken, Prodrome, i, 368 (Pangonia). — Trenton Falls, N. 

 Y. ; Delaware. 

 Williston, Kans. Acad. Sci., x, 130, notes (Pangonia). 

 Aldrich, Psyche, jNIarch, 1892, 236, figs, (hippoboscoides) .■ — Pa. 

 HiNE, Ent. News, xi, 392, synonymy and habits ; oc. in Ohio. 

 Aldrich, Ent. News, xi, 531, acknowledges synonymy. 

 HiNE, Ohio Nat., 11. 168, habits; Tabanidae of Ohio, 45. — Ohio. 

 N. J.— Smith Cat. 



Note. — The validity of the genus Goniops is a question which should 

 be taken up in connection with the status of a considerable number of 

 other related genera of Pangoninae ; I allow it to stand pending such an 

 investigation. 



APATOLESTES. 

 Williston, Entom. Americana, i, 12, 1885. 

 comastes Williston, loc. cit. — Cal. 



? Townsend, Proc. Cal. Acad. Sci., iv, 596, oc. in Lower Cal., with a 

 doubt. 

 ? eiseni Townsend, Proc. Cal. Acad. Sci., iv, 596. — Lower Cal. ; generic refer- 

 ence with a doubt. 



SILVIUS. 



Meigen, Syst. Beschr., 11, 27, 1820. 

 Macquart, Hist. Nat. Dipt., i, 213, 1834. 

 LoEW, Wien. Ent. Monat., 1858, 350. 

 ScHiNER, Fauna Austr., i, 43. 

 gigantulus Loew, Cent., x, 12 (Chrysops). — Cal. 



Osten Sacken, Prodrome, i, 395 (ti-ifolium) ; West. Dipt., 215. — Van- 

 couver Id. and Wash. ; Cal. and Col., and synonymy. 

 Townsend, Proc. Cal. Acad. Sci., iv, 595. — Cal. 



Williston, Kans. Acad. Sci., x, 131, notes; adds Idaho and N. M. to the 

 localities. 

 pollinosus Williston, Trans. Conn. Acad. Sci., iv, 244; Kans. Acad. Sci., x, 131, 



notes and generic characters. — Western Kans. 

 quadrivittatus Say, Jour. Acad. Sci. Phil., iii, 33; Compl. Works, 11, 54 (Chry- 

 sops). — Near Rocky Mts. 

 Wiedemann, Auss. Zw., i, 200. 

 Williston, Kans. Acad. Sci., x, 131. — Cal. 



