660 



DR. J. E. GRAY ON SEA-BEARS. 



[May 21, 



There are adult and young specimens of this species, a perfect 

 skull of a voung individual, and the nose, palate, and upper jaw of 

 this snecies in the British Museum. ,. 



The small skull figured by Ternminck seems more to resemble this 

 species than Arctocephalus cmereus. 



tfruX&t- j-Oui 



Gypsopkoca tropicalis. Auckland Island. 

 Fig. 6. 



Gypsophoca tropicalis. Auckland Island. 



Dr Peters, in the ' Monatsbericht,' 1866, p. 276, t. 2, describes 

 and fi-ures a skull from Juan Fernandez, on the west coast of Ame- 

 rica, which he received from Dr. Philippi, and founded on it his genus 

 Arc'tophoca, calling it A. philippii. . 



This skull of A. philippii, from the large size and peculiar form ot 

 the brain-cavity, and the peculiarities of its underside (especially its 

 large foramen); agrees with the skull from North Australia in the 

 British Museum which I have called Gypsophoca tropicalis; but it 

 is described and figured as only having five grinders on each side ot 

 the upper jaw, and Dr. Peters founds his characters on this peculiarity. 

 I believe that the skull will be found to have lost the sma 1 upper 

 hinder grinders, for which there is space at the hinder end ot the 



