354 



COMPAKATIVE ZOOLOGY. 





n.,* 



FiQ. 347.— Wolf (tttptis occideiitaiis). United States. 



six in each jaw. There are always two sets. The 

 skull is comparatively small, the jaws are shorteV and 

 ■j'lffibia^ deeperthaninUn- 



. -iT. j'. f i, "'■■^S?v•l gnlates, and there 



arenumerousbony 

 ridges on the in- 

 side and outside 

 of the cranium — 

 the high occipital 

 crest being special- 

 ly characteristic. 

 The cerebral Iiem- 

 ispheres are joined 

 by a large corpus 

 callosum, but the 

 cerebellum is nev- 

 er completely cov- 

 ered. Both pairs 

 of limbs are well 

 developed, the 

 front being pre- 

 hensile ; but the 

 clavicles are rudi- 

 mentary. The hu- 

 merus and femur 

 are mainly en- 

 closed in the body. 

 The digits, never 

 T''!T^% less than four, al- 

 ways have sharp 

 and pointed 



Fia. 849 — nei¥nx{Vulpes.fulvus). United States. g]g^„g ibi TPip k^v^vr 



is covered with abundant hair. 



Carnivores are divided according to the modifications 

 of the limbs : a. Pinnigrades, having short feet expanded 



Fia. 348. 



-Ermine-weasel {Putoriv^ Noveboracensis), 

 United States. 



