THE ANTAIICTIC WOLF, 



387 



molar tooth. In C. latrans the masseteric crest of the malar is 

 low down on its external surface, the inferior edge of the bone is 

 scarcely at all expanded, so that the area for the attachment of 



A. Occipital reirion of skull of Canis anfarcticus. 



B. Occipital region of skull of C. latrans. 



s.a., sagittal area ; s.c, sagittal crest. 



the masseter is much narrower than in C. anfarcticus, and the 

 upper edge of the malar is not noticeably out-turned, so that the 

 hollow on the maxilla beneath it is less jjronounced (text-figs. 72 

 & 73, pp. 388-9). 



Upper carnassial tooth. — In C. antarcticics the antero-external 

 Proc. Zool. See— 1913, No. XXVII. 27 



