xviii CONTENTS 



SECTION IX. THE CRANIAL NERVES 



SECTION X. FUNCTIONS OF THE BRAIN - - 931 



Functions of the cerebellum - - 933 



Equilibration and orientation - 936 



Forced movements - - 944 



Functions of the cerebral cortex - - 947 



Motor areas - - - 951 



Histological differentiation of the cortex - 958 



Sensory areas - - 965 



Aphasia - - - 969 



Localization of function in central nervous system - - 975 



Influence of anastomosis of nerves on function - 976 



Co-ordination of voluntary movements - 981 



Reaction time - 982 



SECTION XL FATIGUE AND SLEEP HYPNOSIS - 983 



SECTION XII. SIZE OF BRAIN AND INTELLIGENCE CEREBRAL 



CIRCULATION CHEMISTRY OF NERVOUS ACTIVITY CERE- 



BRO-SPINAL FLUID - - 988 



CHAPTER XVII. 



THE AUTONOMIC NERVOUS SYSTEM - - 1003 



CHAPTER XVIII. 



THE SENSES. 



THE SENSES IN GENERAL - - 1006 



SECTION I. VISION - 1008 



Physical introduction - - 1008 



Structure of the eye - - - -1014 



Chemistry of the refractive media - - - 1016 



Refraction in the eye - - - 1017 



Accommodation - - - 1020 



Functions of the iris - - 1026 



Defects of the eye - - 1027 



Ophthalmoscope - 1031 



Skiascopy - - - 1034 



Diplopia - - 1037 



Steroscopic vision - - . - - - 1039 



Visual judgments and illusions - - 1040 



Purkinje's figures - - 1042 



Blind spot - - IO 44 

 Rods and cones in vision .... 1045 



Talbot's law ----- - 1050 



Colour vision - ... . 1051 



Contrast .... - 1056 



Perimetry - - . - 1058 



