JORDAN: CATALOGUE OF FRESH-WATER FISHES. 427 



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352. Ceraticlitlujs pliysignatlms Qo'^e. Arkausas River, Colorado. 



353. Ceratichtliys squamilentus Cope. Colorado Basin. 



354. CeraUclithys prosthemius Cope. Great Lakes. 



355. CeraUclithys milneri Jordan. Lake Superior. 



§ -. 



356. CeraticMhys monachus Cope. Tennessee River. 



357. Cerativhthys labrosus Cope. Santee Basin. 



358. CeraUclithys zanemus Jordan & Braytou. Santee River, {d. s.) 

 359.. Geratichthys gelidus (Grd.) Jor. Milk River, [d. s.) 



360. CeraticMhys vernalis (Grd.) Jor. Arkansas River, {d. s.) 



361. Ceratichthys cvsiivalis (Grd.) Jor. New Leon. [d. s.) 



60. — Semotilus Raflnesque. 1820. Horned Dace. 

 § Leucosomiis Heckel. 1842. 



362. Semotilus bullaris (Raf.) Jor. New England to Virginia. (8, 



rhotheus Cope. L. cataractus Baird. L. argenteus Storer.) 



363. Semotilus dissimilis (Grd.) Jor. Milk River, (d. s.) 



§ Semotilus. 



364. Semotilus corporalis (Mitcla.) Putnam. Massachusetts to the Rocky 



Mountains and south. 



365. Semotilus thoreauianus Jordan. Flint River, Georgia. 



61.— Agosia Girard. 1856. 



366. Agosia chrysogaster Grd. Sonora. 



367. Agosia, tnetallica Grd. Rio Gila. 



62. — PoGONiCHTHYS Girard. 1854. 



368. Pogonichthys inwquiJohus B. & G. California. 



369. Pogonichthys symmetricus B. & G. California. 



370. Pogonichthys argyriosus B. & G. California, {d. s.) 



63.— Platygobio Gill. 1861. 



371. Platygobio gracilis (Rich.) Gill & Jor. Colorado River to the Sas- 



katchawan. (P. communis (B. & G.) Gill.) 



64. — Mylochilus Agassiz. 1855. 



372. Mylochilus caurimis (Rich.) Grd. Oregon and north. 



