210 



MAMMALIA. 



Phoccena (Guv.). Porpoise. Head blunt, un- 

 beaked ; teeth various in both jaws ; a dorsal 

 placed far back. 



P. communis. Fig. 334; $ n. s. 

 orca. 

 melas. 



X 



334 



Delphinorliynehus (Blainv.). A lengthened beak, 

 not separated from the forehead by a groove ; a 

 small dorsal. 



D. micropterus. Fig. 335 ; -^ n. s. 



