XX LIST OF ILLUSTRATIONS. 



FIG. PAGE 



monotreme and (B) that of a mammal to show the extent 



and relations of the hippocampus 326 



1 68. Schemes to explain the expansion of the corpus callosum 



and the formation of the septum pellucidum. After figures 



by G. Elliot Smith 328 



169. Scheme of cerebral commissures and the margin of the cor- 



tex of the human brain. From G. Elliot Smith .... 330 



170. Scheme of the structure and connections of the hippocampus. 



From Cajal 332 



171. Structure of the cerebral cortex 339 



172. Diagram showing the probable course of impulses in the cells 



of the cerebral cortex. After Cajal 340 



173. Scheme of long association tracts in the cerebral cortex. 



After Cajal 342 



174. Scheme of commissural and projection fibers of the cortex. 



After Cajal 343 



175. The primordial areas in the cerebral hemispheres, lateral 



surface. From Flechsig 346 



176. The primordial areas in the hemispheres, mesial surface. 



From Flechsig . . .' 347 



177. The primordial areas and border zones of the association 



fields, lateral surface. From Flechsig 350 



178. The primordial areas and border zones of the association 



fields, mesial surface. From Flechsig . . . 350 



179. Diagram of lateral surface of hemisphere showing localiza- 



tion of functions 351 



180. Diagram of mesial surface of hemisphere showing localiza- 



tion of functions 351 



