PISCES. 199 



Sp. Lucioperca sandra Cuv., Perca lucioperca L., BLOCH Ichth. Tab. 51, 

 Cuv. et VAL. Poiss. n. PI. 15, GUEBIN Iconogr., Poiss. PL 3, fig. 3 ; a well- 

 flavoured fish from the rivers in the east and north of Europe, which may 

 attain a length of 3'. 



Chilodipterus Cuv. (species from genus Cheilodipterus LAC., 

 with add. of Acropoma SCHLEG.). Dorsal fins short, distant. 

 Operculum smooth, not aculeate, with margin smooth or with 

 angles plane, obtuse, covered with membrane. Scales large. Eyes 

 large. 



Sp. Chilodipterus octovittatus Cuv., Chtt. lineatus LAC. Pom. m. PI. 31, fig. 

 i ; Chilod. arabicus Cuv. et VAL. Poiss. IL PI. 23, fig. i, &c. Fishes from 

 the Red Sea, the Indian Sea and South Pacific. 



(Acropoma SCHL. Faun. Japon., Pise. Tab. 12, figs. 2, 3.) 



b) Maxillary teeth all thin. 



Apogon LAC., Amia GRONOV. (not L.). Praeoperculum margined 

 by a crest, denticulate. Head large, with eyes large. Two dorsal 

 fins remote. Scales large, deciduous. 



Sp. Apogon rex MuUorum Cuv., Mullus imberbis L., CUVIEB Mem. du Mus. 

 I. PI. XI. fig. 2, GUEBIN Iconogr., Poiss. PL 3, fig. i ; in the Mediterranean 

 Sea. There are also species of this genus in the Red Sea, the Indian 

 Sea, &c. 



Pomatomus Eisso (not LAC.). Operculum emarginate at the 

 upper part ; prasoperculum striate. Eyes very large. Dorsal fins 

 distant. Scales large, deciduous. 



Sp. Pomatomus tdescopium Risso, Cuv. et VAL. Poiss. n. PL 24, GUERIN 

 Iconogr., Poiss. PL 3, fig. 2, in the Mediterranean Sea, rare. 



Ambassis COMMERS. 



Sub-genus Priopis KUHL and Y. HASS.? Denticles above the 

 orbits. 



Aspro Cuv. Prseoperculum finely crenulate ; operculum ter- 

 minated by a spine. Snout obtuse, produced. Dorsal fins 

 distant. 



Sp. Aspro vulgaris Cuv., Perca Asper L., BLOCH Ichth. Tab. 107, figs, i, 2, 

 GUEBIN Iconogr., Poiss. PL i, fig. 3 ; Aspro zingel Cuv., Perca, Zingel L., 

 in some rivers of middle Europe, the Danube, &c. Compare on these two 

 species the Pentas of SCH^EFFEB already quoted at Acerina. 



Grammistes ARTEDI, Cuv. (species from genus Gramm. BL.). 

 Pr&operculum and operculum scaly. Scales very small, hidden 



