r I S H E S. 



Div. I. 

 CETACEOUS FISHES. 



.No gills ; an orifice on the top of the head, 

 through which they breathe, and eject water ; a 

 flat or horizontal tail ; exemplified in the expla- 

 natory plate, Jig. 1. by the Bottle-nose, bor- 

 rowed from Dales Hist. Hanvich. 411. Tab. 14. 



GENERA. 



I. WHALE. 



II. NARWHAL. 



III. CACHALOT. 



IV. HYPEROODON. 

 V. DOLPHIN. 



Div. II. CARTILAGINOUS FISHES. 



JoREATHING through certain apertures, 

 generally placed on each side of the neck, in 

 some instances beneath, in some above, and 

 from one to seven in number on each part, ex- 

 cept in the Pipe Fish, which has only one. 



The muscles supported by cartilages, instead 

 of bones. 



