The Itchtr yology of the River Ohio was begun to be printed 

 in the Wcatern Re\iew in" December 18)9, and has been con- 

 tinued gradually un il November 1820. During the i ourse of 

 the impression some new species have been discovered, or as- 

 certained, which I now propose to notice 



THORACIC FISHES. 



XXXVI Genus. Springfish Pegebictts. Pegedictc. 



Body conical with small scales, belly Hat, vent medial. Head 

 broad scaleiess, gill cover with a membranaceous appendage 

 and a concealed spine, mouth toothed. Two dorsal fins, ine 

 first with simple, soft, scmi-spinescent rays. Thoracic fins 

 ■with five rays. 



44ns new genus belongs to the family Pcrcidia, and has many 

 affinities with the G. Holocentms Lefiomis, Etheostoma, &c. 

 but its conical form and many other socoiuWy peculiarities dis- 

 tinguish it completely. The name means Fountain-fish. 



105th Specie's' Catsete Springfish. Pegedictis ictalofis. 

 Pegedicteaeuil de chat. 



Jaws equal, forehead knobby, eyes elliptical. Body oliva- 

 ceous with some black transversal unequal brown bands; a con- 

 cealed spine on the giil cover: lateral line straight: tail ellipti- 

 cal. The first dorsal fin \\ ith 8 rays, the second with 12, as 

 well as the anal and pectoral fins. 



I hare discovered this species in the summer of 1820 near 

 Lexington. It has no vulgar name. Length mu^uy twin elit- 

 es. Head larr^e l"-*"'"- convex pl - 'vc with , aowtsI small knobs 

 on the t uiciniuUyfT at EeBe llH. liyW ' gH Ih thc Catfishes with ob- 

 long eyes, iris gilt brown. Spine of the gilt cover co realed 

 under the skin. Teeth small and acute. Pectoral tins Jorge 

 lanceolate. Belly white and flat, i'ins hyalin with some Mown 

 spots. Five transversal bands. The specific name means Cats- 

 eye. 



6th Genus. Ktheoitova. 



106lh Species. Sphings IIoufish. Ju/'icostoma for.tinalis. 

 Etiieostome des fontaines. 



Body oblong cylindrical, breadth one sixth ©f the lengthy ofi- 

 vaceous, sides with transversal brown lines somewhat curved: 

 a small round black spot behind tiie ^il! cover; lateral line ob- 

 solete. Jaws (obtuse, the upper one shorter. Tail oboval en- 

 tire gilt tesselatcd with black. First dorsal with 3 rays, the se- 

 cond and aM^vith 12. 



A little Susies, from one to two inches lon^, found in the 

 Springs and caves. »ea$ Lexington in the summer. It belongs 

 to the subgenus •Di^j.iion. Body cylindrical Somewhat com- 

 pressed. Jiead*m,l flat above: gill coyer attenuated behind 



