PHOCAD^. 



211 



Delpkmus (Linn.). Dolphin. Forehead round ; 

 a lengthened slender beak, separated by a distinct 

 groove ; dorsal near the middle of the back. 



D. delphis. Fig. 336 ; 

 tursio. 



- n. s, 



335 



336 



Order GAENIVORA. 



Cutting-teeth (usually six) in front in each jaw ; 

 two stout pointed canines ; and a varying number 

 of molars, which have cutting edges. 



FAMILY PHOCAD^E. 



Fore limbs very short, enveloped in the skin, 

 and reduced to swimming-paws ; hind limbs set 

 far behind, and directed backward ; the toes con- 

 nected by wide webs, forming powerful oars; body 

 covered with dense short fur. 

 p 2 



