194 CATALOGUE OF NORTH AMERICAN DIPTERA. 



MACQUART, Dipt. Exot., Suppl., iv, 27 (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 (Corizoneura). 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, Tabanidas 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, March, 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., n, 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 Pangoninse ; 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., n, 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 (tri folium) ; 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., in, 33; Compl. Works, n, 54 (Chry- 

 sops). Near Rocky Mts. 



WIEDEMANN, Auss. Zw., i, 200. 



WILLISTON, Kans. Acad. Sci., x, 131. Cal. 



