IN THE ALLEGHENY REGION OF SOUTH-WESTERN VIRGINIA. 



•241 



EOANOKE. 



Hybopsis lonCTiceps, 



Clirosomus areas, 



James. 



Hybopsis longiceps, 



Kanawha. 



Photogenis leucops, 

 Ph. scabriceps, 



Alhurnellus jaculus, 



Hyborhynchus notatus, 

 H. superciliosus, 

 C. anomalum, 



C. nigricans, 

 C. communis, 



HOLSTON, 



Pli. telescopus. 



Ph. leaciodus. 



H. speetrunculus. 



H. rubricroceus. 



H. lacertosus. 



Alb. micropteryx. 



Chrosomus erythrogaster. 



C. anomalum. 

 Teretulus duquesnei. 

 C. nigricans. 

 C. communis. 



Campostoma anomalum, 



Teretulus cervinus, Teretulus cervinus, 



Catostomus nigricans, C. nigricans, 



C. communis, C. communis, 



Exoglossum maxillingua, Exoglossum maxillingua, Exoglossum maxillingua, 



Fanclulus catenatus, 

 Noturus marginatus, Noturus marginatus, 



Hopladelus olivaris, 



Ichthalurus cxrulescens, 

 Salmo fontinalis, Salmo fontinalis, Salmo fontinalis, Salmo fontiualis. 



? Lepidosteus huronensis, Lepidosleus huroaensis. 



Fourteen species. Nineteen species. Twenty-seven species. Thirty-four species. 



In this list, the most abundant species are in italics. 



Excluding from consideration the following seven probably universally distributed 

 species : — 



Boleosoma olmstedi, Catostomus nigricans, 



Ceratichthys biguttatus, " communis, . 



Semotilus corporalis, Salmo fontinalis, 



Plypsilepis cornutus. 



There are common to the Kanawha and Allegheny,* 

 " " Holston " 



" " Kanawha and Susquehanna,* 



" " Roanoke " 



" " Holston " 



Species. 



. s 



. 8 



. 8 



. 2 



. 



These comparisons have reference to species of Classes III and IV, since those of 

 I and II do not enter the region examined. Compare, however, the following list 

 from Class II, embracing the most abundant species from the lower part of the 

 James River (near Tuckahoe Creek), with the mountain list: 



*.Por lists of the Cyprinidaj of these rivers, see "The Cyprinidie of Penasylvania," Trans. Amer. Philos. 

 Soc. 1866, 356. 



