Systetnatic A rrangement. 
XVII 
CLASS PISCES— Continued. Page. 
SUBCLASS TELEOSTOlill— Continued. 
Order Plectospoxdyli— Continued. 
Suborder Even'togxathi — Continued. 
Family Cijprinidce— Continued. 
Genus Gila, Baird Sc Girard 226 
elegans, Baird & Girard 226 
roljusta, Baird &• Girard 227 
seminuda, Cope Sc Yarrow 228 
Genus Leuciscus, Cuvier 228 
Subgenus Siboma, Girard 231 
crassieauda (Baird A Girard) 231 
Subgenus Tigoina, Girard 231 
conformis (Baird Sc Girard) 231 
bicolor (Girard) 232 
lineatus (Girard) 232 
nigrescens (Girard) 233 
purpureus (Girard) 234 
intermedius (Girard) 235 
niger (Cope) 235 
alieiae (Jouv) 236 
Subgenus Cheonda, Girard 236 
cooperi (Girard) 236 
humboldti (Girard) 236 
egregius (Girard) 237 
bydrop hlox (Cope) 238 
Subgenus Bicbardsonius, Girard 238 
balteatus (Eichardson) 238 
.siuslawi, Everraann Y Meek 2797 
Subgenus Clinostomus, Girard 239 
vandoisulus, Cuvier A Valenciennes 239 
elongatus (Kirtland) 240 
nachtriebi, Cox 2798 
Subgenus Pboxinus, Kafinesque 240 
neogteus (Cope) 240 
margarita (Cope) 241 
orcutti (Eigenraann AEigenmann) 241 
Subgenus Hemitremia, Cope 242 
milnerianus (Cope) 242 
flammeus (Jordan Sc Gilbert) 242 
Subgenus loticbthj’s, Jordan A Evermann 243 
phlegethontis (Cope) 243 
Genus Eutilus, Eafinesque 243 
olivaceus (Cope) - 244 
bicolor (Girard) 244 
symmetriciis (Baird A Girard) 245 
boucardi (Gunther) 247 
Genus Opsopceodus, Hay 247 
Subgenus Opsopceodus 248 
osculus, Evermann 248 
emiliw. Hay - 248 
megalops (Forbes) 218 
Subgenus Opsopo-a, Jordan A Evermann 249 
bollmani, Gilbert 249 
Genus Abramis, Cuvier 249 
Subgenus Xotemigonus, Eafinesque 25q 
crysoleucas (Mitchill) 250 
bosci (Cuvier A Valenciennes) 251 
gardoneus (Cuvier A Valenciennes) 251 
Bull. No. 47, pt. 4 II 
