CHAP. XVI.] 



SOME OTHER MAMMALS. 



283 



to be distinguished from those of the secondary order. 

 The mass of the Hemispheres hehind the ' fissure of 

 Sylvius ' is relatively greater than in other Carnivora, and a 

 larger proportion of the Cerebellum is also covered thereby. 

 The general parallel arrangement of the convolutions 



FIG. 96. Brain of the Cat. 

 (Tiedemann.) 



FIG. 97. Brain of the Dog. 

 (Tiedemann.) 



in the Carnivora is, as Owen points out, even more marked 

 in the Cetacea. This may be seen in the Porpoise 

 (fig. 77), and, though less distinctly, in the Dolphin 

 (fig. 101). The breadth of the Cerebral Hemispheres is 

 lost striking in both these creatures but especially in 



FIG. 98. Brain of the Coati. FIG. 99. Brain of the Cat. FIG. 100. Brain of the Fox. 



the Dolphin. The convolutions in the latter are also 

 exceedingly complex, so that in this respect its brain stands 

 at present at the head of the well-known representatives of 

 the ' longitudinal pattern/ just as that of the Elephant 



