THE ANTARCTIC WOLF. 



389 



antero-internal cusp is narrower and set distinctly more forwards 

 than in G. antarcticus, and there is a delicate crest running along 

 its surface towards the base of the antero-external cusp (text- 

 fig. 74, A, B, p. 390). 



Lower carnassial tooth. — The main cusp is higher and more 

 pointed in C. antat'cticus than in 0. latrmis, and the little cusp at 

 its base on the inner side is much lower, so that it stands on a 

 little higher level than the internal cusp of the talon. In C. latrans 



00 



this cusp is comparatively high up the main cusp of the tooth and 

 is considerably above the inner cusp of the talon (text-fig. 74, 

 C, D, p. 390). 



There are other minor difierences both in the skull and teeth. 

 The palatine bones, for instance, extend farther forwards with 

 relation to the upper carnassials, and the margin of the postei"ior 

 nares is also farther forwards with relation to the posterior 

 molars in C. latrans than in C. antarcticus : the incisor teeth are 



27* 



