PERCIFORMES 



443 



Mioplosus, Cope ; Eocene, N. America. Smerdis, Ag. ; Oligocene, Europe. 

 Lates, C. and V. ; Africa, Asia, Australia ; and Eocene, Europe. Labrax, 

 C. and V., * Bass,' Atlantic ; Eocene, Europe. Perca, L. ; Lucioperca, 

 Cuv. ; Acerina, Cuv. (Fig. 457); Boleosoma, Dk. N. America. 

 Cuv. ; Europe. 



Fio. 457. 

 Acerina cernua, L., the Pope. (From Seeley, Freshwater Fishes of Europe.) 



Family CENTRARCHIDAE. Freshwater fish differing from the last 

 chiefly in the larger number of anal spines (3-14), the deeper body, and 

 the undivided condition of the dorsal fin. 



Lepomis, Raf. ; Micropterus, Lac. ; Centrarchus, Cuv. ; Pomotis, C. and 

 V. ; Pomoxys, Raf. N. America. 



Fio. 458. 

 Dascyllus aruanus, L. (After Giinther.) 



Family CYPHOSIDAE. With incisiform teeth and densely scaled fins. 

 Cyphosiis, Lac. ; Medialuha, J. and F. ; Sectator, J. and F. Indo- 

 Pacific. 



