NERVOUS SYSTEM. VERTEBRATA. 



249 



D. 299. The brain of an Ocelot ( Felis pardalu) . 



A typical simple Feline brain. 0. C. 1325 B b, 



D. 300. The brain of a Cheetah (Cyncelurus jubatus) . 



Note the exceptionally well-developed pseudo-crucial 

 sulcus behind the ansate. It is merely the upturned anterior 

 extremity of the intercalary sulcus. The right suprasylvian 

 sulcus is not joined to the postsylvian. 



As also in the Ocelot, the diagonal is an independent 

 sulcus. 0. C. 1325 c. 



Holl, His's Arcbiv, 1899, p. 230. 



Family VIVEEEID^K. 



D. 301. The brain of an African Civet (Viverra cicetta), ( ? ), 

 (figs. 122, 123, and 124). 



Fig. 122. (Nat. size.) 



\ SULC.ORB. 



The features of the brain in this family are especially 

 interesting because the instability of the " Sylvian fissure " 

 (so-called) and the crucial sulcus are so strikingly demon- 

 strated. In regard to these peculiarities, the brain of the 



