Cope] ^^^*' [June 7, 



Hypsilepis ardens, Cope. 



Loc. cit., p. 163. 



Abundant in the headwaters of the south fork of the Cumberland River 

 in Tennessee. In my examination of tlie Virginia streams, I did not find 

 it in any western water, but only in the Roanoke and James Rivers. 



HYBOPSIS, Agass. 

 Cope. Transac. Amer. Philos. Soc, 1866, 379. 



G E o u p A . 

 44. Hybopsis AMARUS, Girard. 

 Proceed Acad. Nat. Sci., Phila., 1856, 210. Hybopsis pJtcienna, Cope, 

 1. c. 1864, 279. 



Specimens from the Catawba River all have a relatively longer head 

 than typical examples from the Potomac ; former 4 times in length to 

 basis caudal fin ; latter 4.5 times. They have also teeth 4.1 — 1.4, in place 

 of 4.2 — 2.4 ; the three inferior of the outer row obtuse, without hook, the 

 superior one only with masticatory face. Both varieties may really be- 

 long to the H. hudsonius, as indicated in Monograph Cyprinidse Penn- 

 sylvania. 



Group B . 



Hybopsis longiceps, Cope. 

 Journal Acad. Nat. Sci., Phila., 1868, 231. 



Abundant in the head waters of the Cumberland River, and Coal Creek, 

 a branch of the Clinch River, Tennessee. Originally found in the Roanoke 

 and James Rivers, Virginia. 



45. Hybopsis spectrunculus. Cope. 



Loc. Cit. 231. 



From the tributaries of the French Broad in the high valley of Hend- 

 erson County, North Carolina. 



Group B B. 



Teeth + 4. 4 + ; mouth horizontal, lower jaw received beneath upper. 



46. Hybobsis niveus. Cope. 

 Spec. nov. 

 Char. Head 4.5 in length ; depth 5 times in the same ; eye 3. 3 in head, 



6 



equal muzzle. Scales ?.^-w: anal 1. 8. White, a black spot on dorsal fin 



behind. 



Description. This is a regularly fusiform fish, the dorsal region more 

 arched than the ventral. Head conic, muzzle obtuse, not projecting, 

 mouth nearly terminal ; preorbital large, longer than deep. Occipital 

 region arched, its breadth at superior extremity of operculum equal from 

 end muzzle to middle impil. Muzzle about equal orbit, preorbital bone 

 elongate ; end of maxillary extending to opposite anterior rim of orbit. 



