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Length from four to six inches. Vulgar name Blacktail 

 Chub. In the Ohio and Muskingum, &c. Head dark brown 

 above, Mouth diagonal, iris silvery. Scales pretty large. Fins 

 brownish, the lower ones pale, the pectoral short with 12 rays. 

 Tail with 20 rays. 



50th Species. Anomal Fallfish. Rutilvfc anomalu^k 

 Rutile anomal. 



Diameter one fifth of total length, fulvous above, sides dusky, 

 white beneath: snout rounded, a vertical brown line behind the 

 gills; lateral line straight raised upwards at the base: pectoral 

 fins yellow oboval short with 15 rays: tail unequally bilobed,the 

 upper lobe larger. Dorsal and anal fins red, dorsal 8 and anal 



7 rays. 



An anamalous fish, differing from all those of the Cyprinian 

 tribe in the Ohio, by its unequal bilobed tail, which is brownish 

 and has 22 rays. Mouth diagonal. Eyes small, ins olivaceous 

 gilt. Nape of the neck red, scales rather small. Length three 

 inches. Found in Licking river &c. Vulgar names Chub, 

 Redfish, Fallfish, &c. 



51st Species. Red Minny. Rutilus? ruber. Rutile rouge. 



Entirely red, tail forked. 



I add here a fine small fish, which I have never seen as yet, 

 but is said to live in the small streams which fall into the Elkhorn 

 and Kentucky. It is a slender fish, only two inches long, com- 

 pressed and of a fine purple red. It may belong to this genus, 

 or to any other of this tribe. It is commonly called Red-minny. 

 XIX Genus. Flat-head. Pimephales. Pimephale. 



Body oblong, thick, and scaly. Vent posterior nearer to the 

 tail. Head scaleless, fleshy all over, even over the gill covers' 

 rounded, convex above and short. Mouth terminal small, tooth* 

 less, with hard cartilaginous lips. Opcrculc double, three 

 branchial rays. Nostrils simple. Dorsal fin opposite the ab- 

 dominals, with the first ray simple and cartilaginous. Abdom- 

 inal fins with eight rays. 



A singular new genus, which differs from Catostomus by the 

 terminal mouth, hard lips, soft head, simple dorsal ray, &c. 

 The name U abbreviated from Pimelecephales which means 

 Flat-head; » ^»— » 



