250 



GENUS ARCTOCEPHALUS. 



We have now reached the only remaining genus of F. Cuvier 

 the Arctocephalus, the cranium of the type of which we now 

 present. The head is arched, and the muzzle retracted, the four 

 central incis'ors are deeply bifurcated, and the lower are notched 

 both behind and before ; the molars have only one root, not so 

 large as the crown, which last consists of a centre tubercle, with 

 a much smaller one at its base, both behind and before. 



THE PUSILLA, OR CAPE OTARY. 



Otaria Pusilla. DESMAREST. 

 PLATE XX. 



Otana Pusilla, Desm. Cuv. Ph. Pusilla, Lin. Petit Phoque, 

 Buff. Loup Marin of Pagis. Cape Otary. 



THE above cranium, typical of the genus, was 

 taken from the Cape Otary, and therefore we give 

 it the precedence. 



The mutations to which this little Seal has been 

 subjected have been unusually great and numerous; 



