Storer’s Synopsis of the Fishes of North America. 289 
GENUS XII. RYPTICUS, Cov. 
A single dorsal fin. Small spines on the opercles ; scales small, and con- 
cealed beneath a thick epidermis. ‘The species have been called Savonniers 
by the French, in consequence of their soft and soapy surface, which feels as 
if it had been lubricated by some unctuous matter. 
1. Rypticus saponaceus, Biocn. 
Oblong and compressed. Of a blackish color, verging to violet ; its whole surface covered 
with very small elliptical scales, which, through the microscope, exhibit radiating strie, 
and are crenulated at the edges. 
Dg 252 Ps (2)aVin(2)> Aa lis (Oa 17. Length, 8 or 9 inches. 
Caribbean Sea, Gulf of Mexico, Cuv. 
Jabonsillo, Parra, p. 51, pl. 24, fig. 2. 
Le Savonnier commun (Rypticus saponaceus, Cuv., Anthias saponaceus, Bu.), Cuv. et VaL., ur. p. 63. 
GENUS XIII. CENTRARCHUS, Cov. 
Have an oval, compressed body ; a single dorsal fin. Velvet-like teeth in 
both jaws, before the vomer, upon the palatines, and upon the base of the 
tongue ; the preoperculum entire ; the operculum divided at its angle into two 
flattened points. 
1. Centrarchus zneus, Lesurur. 
Coppery, occasionally tinged with green. Head and back dusky olive, blotched irregu- 
larly with darker spots; the jaws, lips, and throat, dusky ; the thorax bluish or steel-gray. 
The spinous portion of the dorsal fin is longer than the membranous portion, and half of its 
height. 
Dy2— 1 -)) P6 VidlioG wARGE 105 10x07.) Tesneun Length, 7 to 10 inches. 
Di te P14 Vina ss A.6-10. C.17. Cuv. et Vian. Ss Lie 
Dei) B14. Viel — 5: ea Gree. 173. Ricuarpson, ‘<‘ ee 
DAN —d ls LP 16s eViaSsoA.G=101uG. 175. Kirrianp. ch te 
D214) GV a= 5 etANG Sail en Oul72s WDrexcaare ee ue 
Lake Erie, Lesurur. Lake Ontario, Cuv. Lake Huron, Rrcnarnson. Lake Cham- 
plain, Dexay. Almost every permanent stream in Ohio, Krrtianp. 
Called ‘* Rock Bass,’’ “*Goggle-eyed Bass,’”’? ‘ Black Sun-fish,’”? in Ohio. * Rock 
Bass,” in Lake Champlain. 
Cichla znea, Lesveur, Journ. Acad. Nat. Sc., um, p. 214, fig. 
Le Centrarchus bronzé, Centrarchus eneus, Coy. et Van, mr. p. 54, 
: “* Bronzed Centrarchus, Ricu » Fauna Boreal. Amer., 11. p. 18, pl. 75, 
Cichla nea, Rock Bass, KirTLanp’s Report on the Zool. of Ohio, pp. 168, 191. 
Centrarchus zneus, Fresh-water Bass, DeKay’s Report, p. 27, pl. 11, fig. 4. 
ae a Kirtianp, Bost. Journ. Nat. Hist., rv. p. 239, pl. 11, fig. 1. 
