FISHES PERCIDAE DIOPLITES NUECENS1S POMOXIS 



of the Tennessee river. It has, also, much greater affinities with .D. fasciatus than with D. 

 salmoides. 



List of specimens. 



POMOXIS, Rafin. 



GEN. CHAR. Body very much compressed ; dorsal and ventral outlines arched. Head moderate in size. Mouth very large ; 

 lower jaw longest. Velvet-like teeth on the jaws, the vomer, and palatines, and on the base of the tongue also. Cheeks and 

 opercular apparatus scaly. Branchial apertures continuous under the throat. Dorsal arid anal fins elevated ; their spinous 

 portion rising gradually from the anterior spine to the soft portion, without any depression. Anal spiny rays, six or more. 

 Insertion of ventral fins situated a little behind the base of the pectorals. Caudal fin either even upon its posterior margin or 

 sub-concave. Scales well developed and ciliated posteriorly. 



STN. Pomoxis, RAFINT. Jour. Acad. Nat. Se. Phila. i, 1818, 417, and, Ichth. Ohiens. 1820, 33. AGASS. Amer. Jour, of 

 Sc. and Arts, XVII, 1854, 298. 



The genus Pomoxis, as here circumscribed, embraces already several species. The most 

 anciently known is that described by Lacepede under the name of Labrus sparoides, specimens 

 of which having been obtained in South Carolina ; hence : 



