PERCIFORMES 



443 



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

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

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

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

 Cuv. ; Europe. 



Fio. 457. 

 Acerina cernua, I... the Pope. (Prom Seeley, Freshwatm Fishes of FMrope.) 



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. ; Gentrarchus, Cuv. ; Pomotis, C. and 

 V. ; Pomoxys, Raf.- — N. America. 



Fie. 458. 

 Daseyllus aruanus, L. (After Giinther.) 



Family Cyphosidae. With incisiform teeth and densely scaled fins. 

 Cyphosus, Lac. ; Medialuna, J. and F. ; Sectator, J. and F. — Indo- 

 Pacific. 



