FISHES OF THE TENNESSEE BASIN. 65 



48. IS'OTROPIS MICROPTERYX {Copc) JoV. 



From tributaries of the Holston and Clineb. 



49. NoTROPis PHOTOGENIS {Cope) Jor. 

 (Squaliua photogenis Cope; Photogenis Iciicops Cope.) 



Abundant in tbe French Broad River. 



50. isoTROPis TELEScopus {Cope) Jor. 



Holston and French Broad Eivers {Cope). Also abundant in Elk 

 Kiver. If our specimens are correctly identified, this is a true Notropis. 

 We find it not easily distinguishable from W. photo genis. 



k 51. Notropis lirus Jordan. 



This little species abounds iu both the Elk and the Ohickamauga. 



Genus HEMITREMIA Cope. 



52. Hemitremia vittata Cope. 



Described from the Holston Kiver near Knoxville. 



Genus CHROSOMUS Bafinesque. 

 53. Chrosomus erythhogaster Eaf. 



Eecorded by Professor Agassiz from Huntsville, Ala. We have seen 

 no specimens from the Tennessee River. 



Genus PHOXINUS Bafinesque. 

 54. PnoxiKUS plammeus Jordan t£- Gilbert. 

 Jordan, Man. Vert. E. U. S. ed. 2d, p. 303. 



A very distinct species, resembling " Gila'^ margarita (Cope). but with 

 the short lateral line of P. neogmus Cope. 



Body stout, rather more slender and more compressed than in F. 

 neogceus, the form being nearly that of G. margarita. Depth 4 in length, 

 about equal to the length of the head. 



Head short and deep, smaller than in neogwits, the upper outline 

 rounded, the muzzle quite blunt and rather short. Eye rather large, 

 31 in head, longer than snout. Mouth small, oblique, the lower jaw 

 projecting, the intermaxillary in front on the level of the pui)il, and tbe 

 maxillary extending to opposite the front of tbe orbit. 



Scales much larger than in P. neoga;us, but still quite small, in appear- 

 Bull. N. M. No. 12—5 



