Division. 



ARRANGEMENT. 459 



Page. 



I Second dorsal fin adiijose, without rays 36 



( Second dorsal fin not adipose, with rays 37 



( Anal fin with fcM-er rays than the first dorsal.... Salmo. 278 



( Anal fin with more rays than the first dorsal.. . . Osmerus. 312 



( Caudal fin forked 38 



( Caudal fin not foi-ked 45 



Dorsal fins wide ajmrt 39 



Dorsal fins approximate 41 



(Second dorsal fin without finlets 40 



■39. ] 



\ Second dorsal fin with five finlets Scomber. 



44. 



45. 



46. 



47. 



210 



( First dorsal fin with eight rays Atherina. 230 



' I First dorsal fin with four rays Mugil. 225 



( Second dorsal fin with eight finlets Thynmis. 213 



( Second dorsal fill without finlets 42 



( Tonoue smooth, without teeth 43 



42 < 



( Tongue rough, with teeth Labrax. 170 



( Three detached rays at base of each pectoral. Trhjla. 174 



4^ 



• \ No detached rays at the base of the pectorals. 44 



Aaial fin with twenty-seven i-ays Caranx. 217 



Anal fin with ten rays Perca. 168 



Ventral fins united together GoUus. 240 



Ventralfins separate 46 



( Ventral fins situated before the pectorals 49 



( Ventral fins situated behind the pectorals 47 



( Vomer without teeth 48 



( Vomer with teeth in front Cottus. 183 



1 Body with large scales, snout without spines... Scicena. 200 



( Body with osseous plates, snout with spines... Aspidophorits. 188 



( A large opening behind each pectoral fin Lopldus. 253 



( No opening behind the pectorals 50 



1 Chin with a barbule 51 



50 \ 



( Chin without a barbule 53 



