Systematic Arrangement. xvii 



CLASS PISCES Continued. Page. 



SUBCLASS TELEOSTOMI Continued. 

 ORDER PLECTOSPOXDYLI Continued. 

 SUBORDER EVEXTOGXATHI Continued. 

 Fam ily Cyp rinidce Cont in ued . 



Genus Gila, Baird & Girartl 226 



elegans, Baird & Girard 226 



robusta, Baird & Girard 227 



seminuda, Cope <fc Yarrow 228 



Genus Leuciscus, Cuvier 228 



Subgenus Siboma, G irard 231 



crassicauda (Baird & Girard) 231 



Subgenus Tigoma, Girard 231 



conformis (Baird & Girard) 231 



bicolor (Girard) 232 



liueatus (Girard) 232 



nigrescens (Girard) 233 



purpureus (Girard) 234 



intermedius (Girard) 235 



niger (Cope) 235 



alicire (Jouy) .' 236 



Subgenus Cheonda, Girard 236 



cooperi (Girard) 236 



humboldti ( Girard) 236 



egregius (Girard) 237 



hydrophlox (Cope) 238 



Subgenus Richardson ius, Girard 238 



balteatus (Richardson) 238 



siuslawi, Evermann & Meek 2797 



Subgenus Clinostomus, Girard 239 



vandoisulus, Cuvier &, Valenciennes 239 



elongatus (Kirtland) 240 



nachtriebi, Cox 2798 



Subgeuus Phoxinus, Raflnesque 240 



neogseus (Cope ) 240 



margarita (Cope) 241 



orcutti (Eigenmann &. Eigenmann) 241 



Subgenus Heinitremia, Cope 242 



milnerianus (Cope) 242 



flammeus (Jordan &, Gilbert) 242 



Subgenus lotichthys, Jordan &. E vermann 243 



phlegethontis (Cope) 243 



Genus Rutilus, Rafinesque 243 



olivaceus (Cope) 244 



bicolor (Girard) 244 



symmetricus (Baird &, Girard) 245 



boucardi (Giinther) 247 



Genus Opsopoaodus, Hay 247 



Subgenus Opsopceodus 248 



osculus, Evermann 248 



emilife. Hay 248 



megalops (Forbes) 248 



Subgenus Opsopo?a, Jordan & Evermann. 249 



bollmani, Gilbert 249 



Genus Abramis, Cuvier 249 



Subgenus Xotemigonus, Raflnesque 25o 



crysoleucas (Mitchill) ! 250 



bosci (Cuvier &, Valenciennes) 251 



gardoneus (Cuvier & Valenciennes) 251 



Bull. No. 47, pt. 4 ii 



