76 ICHTHYOLOGIA OH I EN SIS 



black also, with a silvery hue or ring. Dorsal fin 

 with ten and ten rays, the spiny ones very short. 

 Caudal 20. Pectoral 16. Thoracic one and five, as 

 usual; but the spiny ray is very short, as are also 

 those of the anal fin. 



2d Subgenus. Pomotis. 



Opercule with a membranaceous appendage, often 

 like an auricule and spotted. Meaning eared gills. 



[I- 377] \?9~\ 9th Species. Redeye Sunfish. Icthe- 

 lis Enythrops. Itchele ceuil rouge. 



Body oval elliptic, (diameter one third,) blackish 

 above, olivaceous on the sides, whitish beneath : head 

 small, lower jaw longer, propercule flexuose, oper- 

 cule with a short, angular and acute appendage, a 

 faint and small brown spot above it: tail bilobed, 

 ciliate, base black, middle olivaceous, tip whitish, up- 

 per lobe rather larger : anal fin with six and ten rays : 

 pectorals trapezoidal large, not reaching the vent. 



[II. 49] 10th Species. Eared Sunfish. Icthelis 

 aurita. Icthele oreillee. 



Body oval elliptic (diameter one third) olivaceous 

 with blue and rufous dots : head small, jaws equal, 

 opercule flexuose, appendage black, broad and trun- 

 cate, some blue flexuose lines on the sides of the 

 head: tail brownish lunulate; back brownish: anal 

 fin 3 and 9 : pectorals not reaching the vent. Tho- 

 racic mucronate. 



Length from 3 to 12 inches: common in the rivers, 

 creeks, and ponds of Kentucky. Vulgar name Sun- 

 fish. Iris brown. Dorsal fin brownish, 10 and 10, 

 spiny rays shorter. Thoracic fins very long, spiny ray 

 rather shorter, first soft ray mucronate. Pectorals 

 nearly rhomboidal, with 14 rays. Tail 16 rays. 



