viii Contents 



PAGE 



On the function, of the postcentral areas ........... 78 



Anatomical and histological considerations .......... 80 



Points in the myeliniaation of the sensory tracts ........ 83 



The postcentral cortex in tabes dorsalis .......... 85 



The postcentral cortex in cases of old-standing lesions of the internal capsule . . . 94 



The postcentral cortex in cases of amputation ......... 96 



Doctrines of clinical medicine and experimental physiology . . ... 97 



Reflections on "common sensation" ........... 102 



Summary ................. 107 



List of references . . . . . . . . . . . . . . . 110 



CHAPTER V. 



THE VISUO-SENSORY AND VISUO-PSYCHIC AREAS. 



Histolog leal observa tin us. 



Arrangement of nerve fibres in the visuo-sensory cortex . . . . . . . 112 



Cell lamination . . . . . . . . . . . . . . . 115 



Distribution of the visuo-sensory cortex . . . . . . . . . . 118 



The visuo-sensory area in the manlike ape. . . . . . . . . . 121 



Arrangement of nerve fibres in the visuo-psychic cortex . . . . . . . 126 



Cell lamination in the visuo-psychic cortex .......... 128 



Distribution of the visuo-psychic cortex .......... 129 



The visuo-psychic area in the manlike ape ........... 130 



On the function of tlif.se areas. 



Consideration of the experimental evidence ......... 132 



Consideration of the clinico-pathological evidence . . . . . . . . 135 



Consideration of the anatomical and developmental evidence . . . . . . 139 



Summary and conclusions .............. 144 



List of references ............... 147 



CHAPTER VI. 



THE TEMPORAL LOBE AND THE AUDITORY AREAS. 



Histological observations. 



The fibre arrangement in the cortex of the transverse temporal gyri (audito-sensory area) 149 



The fibre arrangement in the cortex of the superior temporal gyrus (audito-psychic area) 151 



The fibre arrangement in the cortex of the rest of the temporal lobe . . . . 152 



The cell lamination in the transverse temporal gyri . . . . . . . . 153 



The cell lamination in the superior temporal gyrus . . . . . . . . 155 



The cell lamination in the rest of the temporal lobe ... . . . 157 



The distribution of the different types of cortex . . . . . . . . 157 



The temporal cortex in the anthropoid ape . . . . . . . . . 160 



A graffiti consideration of function. 



The experimental evidence ............. 161 



The clinico-pathological evidence ........... 162 



The anatomical evidence ............ 166 



Siniuiiiirii inn! conclusions ............ . 169 



List of references ............... 173 



