INTRODUCTION. 89 



I. Ventral fins situated under the pectorals. 

 Ventrals with five soft rays. 

 Gills with seven rays. 



With two dorsal fins, or with the first hollowed at its base. 

 Teeth all fine. (Dents en velour. ) 



1. Perca. 



2. Lates. 



3. Enoplossus. 

 , 4. Diplorion. 



5. Labrax. 



6. Centropomus. 



7. Graministes. 



8. Aspro. 



9. Ambassis. 

 10. Apogon. 



The canine teeth mingled with the others 



1. Cheilodipterus. 



2. Lucioperca. 



3. Etelis. 

 With a single dorsal fin. 



Canine teeth mingled with the others. 



1. Serranus. 



2. Merous. 

 3. 



4. Plectroooma. 



5. Diacope. 



6. Mesoprion. 



Teeth all fine. (Dents en veiour. 



1. Centropristes. 



2. Grystes. 



3. Polyprion. 



4. Pentaceros. 



5. Acerina. 



6. Rypticus. 



Less than seven rays to the gills. 



Canine teeth mingled with others. 

 1. Cirrhites. 



