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 : 

 PHOCID^E proper, including Phorn, Pagomys, Pagophilus, Erignathus, ffaltc/Kprus, 

 Monachus, Cystophora, Mncrorkmus, Lobofion, Stenorhynchus, Lfptonyx and Ommcf 

 tophoca; OTARIIB^E, including Otaria, Callorkinus, Eumetopias, Zalophus, and Arcto- 

 cepkalus ; and ROSMABID^:, including Rosmarus. 



