149 



318. C. prostliemius Cope. Lake Superior. 



319. C. squaiuileutus Cope. Green River, Wyoming. 



320. C. gelidiis (Grd.) Jordan. Milk River, d. s. 



321. C. veriialis (Grd.) Jordan. Arkansas River, d. s. 



322. C. aestivalis (Grd.) Jordan. Rio Grand River, d. s. 

 323* C. nubilns (Grd.) Cope. Pugef s Sound, d. s. 



93. APOCOPE Cope, 1872. 

 § ArocorE. 



324. A. carriiigtonii Cope. Utah. 



g ERiTREMA Cope, 187G. 



325. A. lieiishawi Cope. Utah, Idaho. 



326. A. Yuluerata Cope, Utah. 



327. A. oscula (Grd.) Cope. Colorado, Utah, New Mexico. 



328. A. couesii Yarrow. Arizona. 



329. A. ventricosa Cope. Arizona, New Mexico. 



330. A. iiotabilis (Grd.) Sonora. d. s. 



94-. RHINICHTHYS Agassiz, 1850. 



331. R. atronasus (Mitch.) Ag. Great Lakes to New England and Ohio 



Valley and Southern States. 



332. R. lunatus Cope. Michigan to Virginia, d. s. 



333. R. dulcis (Grd.) Jordan. Sweetwater River. 



334. R. melea2:ris Ag. Illinois and Iowa. 



335. R. maxillosiis Cape. Lake Michigan to Idaho, and South. 

 33C. R. luarmoratus Ag. Great Lakes, d. s. 



337. R. nasutllS (Ayres) Ag. New England to Virginia and Wisconsin. 



95. AGOSIA Girard, 1856. 



338. A. clirysos"aster Grd. Sonora. 



339. A. metallica Grd. Gila River. 



96. PHENACOBIUS Cope, 1867. 



340. P. teretulus Cope. Kanawha River to Tennessee. 



341. P. liosternus Nelson. Illinois, d. s. 



342. P. iirauops Cope. Headwaters Tennessee and Alabama Rivers. 



97. TIAROGA Girard, 1856. 



343. T. cobitis Grd. Gila River. 



