56 FISHES. Class IV. 



e. e. e. dorsal fins. 



f. bony plates that cover the gills. 



g. branchiostegous rays, and their 



membranes. 

 h. lateral, or side line. 



Sect. I. APODAL. 



JL HE most imperfect, wanting the ventral fins ; 

 illustrated by the Conger, Jig. 3. This also 

 expresses the union of the dorsal and anal fins 

 with the tail, as is found in some few fishes. 



XVI. EEL. 



XVII. WOLF FISH. 



XVIII. LAUNCE. 



XIX. OPHIDIUM. 



XX. SCABBARD FISH. 



XXI. MORRIS. 



XXII. SWORD FISH. 



Sect. II. JUGULAR. 



J. HE ventral fins b, placed before the pectoral 

 fins a, as in the Hadock, jig. 4. 



XXIII. DRAGONET. 



XXIV. WEEVER. 

 XXV. CODFISH. 



XXVI. BLENNY. 

 XXVII TADPOLE FISH. 



