CONTENTS. 



INTRODUCTION. 

 CHAPTER I. 



PAGE 

 MATERIAL AND METHODS OF EXAMINATION ... 1 



CHAPTER II. 



GENERAL REMARKS ON CELL LAMINATION AND THE ARRANGEMENT OF NERVE FIBRES IN 



THE CEREBRAL CORTEX . 6 



List of references ............... 17 



CHAPTER III. 



THE PRECENTRAL OR MOTOR AREA. 



Introductory remarks .... . . 20 



Observation.* on x/rticfun'. 



Some points touching the anatomy of the fissure of Rolando ...... 21 



Arrangement of nerve fibres in the precentral cortex (a) of man, (b) of the anthropoid ape . 24 



Distribution of the precentral area 



27 



Cell lamination in man and ape ........ 29 



Special account of the giant cells of Betz ...... 31 



Considerations <m function. 



The precentral cortex in amyotrophic lateral sclerosis 



Post-amputation changes in the precentral cortex ........ 47 



Clinical evidence touching the effects of lesions of the precentral area .... 62 



XiuiiiiKiry ................ 63 



Lint (if references ............ 65 



CHAPTER IV. 



THE POSTCENTRAL OR SENSORY AREA AND THE INTERMEDIATE POSTCENTEAL AREA. 



Introductory remarks ........ 67 



Histological /<*' ITH/KHI*. 



Arrangement of cortical nerve fibres in the postcentral area . 68 



Cell lamination in the postcentral area 71 



Distribution of the postcentral area . 75 



The postcentral area in the anthropoid ape . . 75 



Structure and distribution of the intermediate postcentral cortex . 76 



b-2 



