CLASSIFICATION OF ANIMALS. 



THE BRANCH OF VERTEBRATA, OR VERTEBRATES. 

 THE CLASS OF MAMMALIA, OR MAMMALS. 



ORDERS. 



FAMILIES. 



Genera 



* According to Professor Gill, the old family Phocidae really comprises three families : 

 PHOCII>. proper, including Piwra, Pastomyx, Pagophihis, Erignathux, Halichfprus, 

 Monachus, Oystophora, Macrorhinus, Loborfon, Stenorhynchus, Leptonyx and Om<nof 

 tophoca ; OTARIID^E, including Otaria, Callorhinus, Eumetopias, Zalopkus, and Arcto 

 fippha'tts : and HOSMARID^E, including Rosmarus. 



