BRAIN OF CARNIVORA 



389 



surface of that bone. The digits of the Carnivora are mostly 

 five, and are never less than four. The mode of progression may 

 be digitigrade or plantigrade, and the intermediate semidigitigrade 



r- 



Ellr - ^ 



Fig. 192. — Brain of Dog. A, Ventral : B, dorsal ; C, lateral aspect. B.ol, Olfactory 

 lobe ; Cr.ce, crura cerebri : Fi.p, great longitudinal fissine ; ////, HH^, lateral 

 lobes of cerebellum ; Hyp. hypophysis ; MeJ , spinal cord ; SH, medulla oblongata ; 

 I'i\ pons Varolii; VH, cerebral hemispheres ; Wu, middle lobe (vermis) of cere- 

 bellum ; I-XII^ cerebral nerves. (From Wiedersheim's Coviparative Anatomy.) 



mode of walking also occurs. The brain in all Carnivora is large 

 and well convoluted. The arrangement of the convolutions is 

 characteristic. There are three or four gyri disposed round each 

 other, of which the lowest surrounds the Sylvian fissure. The 

 stomach in these creatures is always simple in form, without 



