64 



A HISTORY OF FISHES 



Fig. 28. DORSAL AND ANAL FINS. 



a. Sea Lamprey {Petromyzon marinus),X^(i \ b. Cod {Gadus callanas),X^ff; 

 c. Bow-fin (Amia calva),X'}( ; d. Wels or Sheat-fish (Silurus glanis),X^^ ; 

 e. Sea Perch or Grouper (Epinephelus drinn7nond-hayi),y,^Q ; f. Stickleback 

 (Gasterosteus aculeatus), X ^ ; g. Cardinal-fish {Apogcn frenatus), x\ \h.. Moorish 

 Idol (Zanclus ccrnutus), x\ ; j. Sail-bearer {Velifer\hypselopterns), X i ; k. Flat- 

 fish (Engyprosopon grandisquama), X ^ ; m. Bichir {Polypterus hichir), X \. 



