36 POMOXIS HEXACANTHUS. 



GENUS POINIOXIS. — Rafinesque. 



Characters. Mouth large ; lower jaw very prominent ; maxillary, palatine, 

 and vomerine teeth, small, villiform ; tongue armed with minute teeth near its 

 root ; pre-opercle minutely serrated ; opercle bifurcate at its angle ; anal spines 

 more than three ; body sub-oval, elevated, compressed ; dorsal fin single, large, 

 elevated, no depression between the spinous and branched rays ; soft portion larger 

 than the spinous ; seven branchial rays. 



Remarks. This genus was established by Eafinesque to receive the Pomoxis 

 angidaris, which is, according to Agassiz, closely allied to the fish now under 

 consideration. 



POMOXIS HEXACANTHUS. — Cuv. et Val 



Plate VI. Fig. 1. 



Specific Characters. Anal fin with six spines ; body above dusky, tinted 

 with bluish-green ; sides and belly silvery, and marked with oblong bluish-green 

 blotches, disposed without regularity. D. 7-15. P. 12. V. 1-5. A. 6-17. 

 C. 17. 



Synonymes. Centrarchus hexacanthus, Cuv. et Val., Hist. Nat. Poiss., torn. vii. p. 458, pi. 48. 

 Centrarchus sparoides, Cuv. et Val., Hist. Nat. Poiss., torn. iii. p. 88. 

 Centrarchus hexacanthus, Kirtland, Bost. Jour. Nat. Hist., vol. iii. p. 480, pi. 29, fig. 2. 

 Centrarchus hexacanthus, BeKay, Zool. N. Y., part iv. p. 31. 

 Cichla Storeria, Kirt., Rep. Zool. Ohio, p. 191. 

 Centrarchus hexacanthus, Storer, Synops., p. .38. 

 Goggle-eye, V-ulgo. 



