200 CLASS XIV. 



under the skin. Very small cirrus under the symphysis of jaw. 

 Dorsal fins contiguous. 



Sp. Grammistes orientalis BLOCH, Cuv. et VAL. Poiss. n. PI. 27, GUERIN 

 Iconogr., Poiss. PL i, fig. i, from the Indian Ocean, dark brown with 

 three longitudinal stripes running throughout and three shorter white ; a 

 small fish. 



Centropomus Cuv. (spec, from genus Centropomus LAC.). 

 Huro Cuv. 



Diploprion KUHL and V. HASS. Body high, compressed, 

 covered with small scales. Operculum with four spines, two 

 large; prseoperculum denticulate, margined with a rough line. 

 Dorsal fins contiguous. 



Sp. Diploprion bifasciatum K. and V. H., Cuv. et VAL. Poiss. n. PL 21, 

 GUERIN Iconogr., Poiss. PL 2, fig. 2, in the Indian Ocean and at Japan. 



Ertoplosus LAC. Body compressed, high, with head concave, 

 declivous. Dorsal fins contiguous, high. Praeoperculum serrate, 

 with two larger spines at the angle ; operculum with two obtuse 

 points. Suborbital bone denticulate. 



Sp. Enoplosus armatus, Chcetodon armatus SHAW, Cuv. et VAL. Poiss. n. 

 PL 20, from the South Pacific. 



Perca Cuv. (with add. of Lates and Labrax ejusd., species from 

 genus Perca L.). Body elongate. Dorsal fins contiguous. Cheeks 

 scaly. Operculum aculeate ; praeoperculum denticulate. 



Labrax Cuv. (not PALL.). Tongue rough with thin crowded teeth. 

 Cheeks and opercles scaly. 



Sp. Perca labrax L., Labrax lupus Cuv., BLOCH Ichth. Tab. 20? (named 

 Sdcena diacantha), Cuv. R. Ani., 6d. itt., Poiss. PL 7, fig. i ; sea-perch, 

 the basse, i' to 3' long, in the Mediterranean, and also, though more rare, 

 in the North Sea ; Labrax lineatus Cuv., Perca septentrionalis BLOCH, Syst. 

 Ichth. Tab. 20, &c. 



Lates Cuv. Tongue smooth. Cheeks and opercles scaly. Bone 

 of humerus serrate above pectoral fins. 



Sp. Perca nilotica L., Lates niloticus Cuv., Lates nobilis Cuv. et VAL. Poiss. 

 II. PL 13; in the Indian Sea, the mouths of the Ganges, c. 



Perca Cuv. Tongue smooth. Opercles naked. Cheeks scaly. 



Sp. Perca fluviatilis L., BLOCH Ichth. Tab. 52, STcandinav. Fiskar, Tab. i. 

 fig. i ; the perch, de boars, der Borsch, la Perche, &c. In fresh water, 

 nearly throughout Europe and in some parts of Asia ; yellowish green, with 



