CONTENTS xvii 



CHAPTER XXII 

 THE CEREBRUM AND THE BASAL GANGLIA 



Weights of the encephalon and of certain of its parts The cerebral hemispheres Cere- 

 bral convolutions Basal ganglia Corpora striata, optic thalami and internal cap- 

 sule Tubercula quadrigemina Crura cerebri Puns Varolii Directions of fibres 

 in the cerebrum Fibres connecting the cerebrum with the cerebellum Fibres 

 connecting the two sides of the brain Fibres connecting different cerebral convolu- 

 tions on the same side (association fibres) Fibres connecting the. brain with the 

 spinal cord Cerebral localization Motor cortical zone (Rolandic area) General 

 uses of the cerebrum Extirpation of the cerebrum Comparative development of 

 the cerebrum in the lower animals Development of the cerebrum in different races 

 of men and in different individuals Facial angle Pathological observations 

 Reaction-time Centre for the expressions of ideas in language .... 565 



CHAPTER XXIII 

 THE CEREBELLUM AND THE BULB 



The cerebellum Physiological anatomy Extirpation of the cerebellum Pathological 

 observations The bulb Physiological anatomy Uses of the bulb Nerve-centres 

 in the bulb Respiratory centre Vital point (so called) Rolling and turning 

 movements following injury of certain parts of the encephalon (forced movements) . 592 



CHAPTER XXIV 

 SYMPATHETIC SYSTEM SLEEP 



Cranial ganglia Cervical ganglia Thoracic ganglia Ganglia in the abdominal and 

 the pelvic cavities General properties of the sympathetic ganglia and nerves 

 Direct experiments on the sympathetic Vasomotor centres and nerves Reflex 

 vasomotor phenomena Vaso-inhibitory nerves Trophic centres and nerves 

 Sleep Dreams Condition of the brain and nervous system during sleep . . 606 



CHAPTER XXV 

 SENSE OF TOUCH OLFACTION GUSTATION 



Muscular sense Sense of touch Appreciation of temperature Olfaction Olfactory 

 (first nerve) Properties and uses of the olfactory nerves Mechanism of olfaction 

 Relations of olfaction to the sense of taste Gustation Nerves of taste Chorda 

 tympani Glosso-pharyngeal (ninth nerve) General properties of the glosso- 

 pharyngeal Relations of the glosso-pharyngeal to gustation Mechanism of gusta- 

 tion Physiological anatomy of the organs of taste Taste-beakers , . . 625 



CHAPTER XXVI 

 THE ORGAN OF VISION 



Optic (second nerve) General properties of the optic nerves Physiological anatomy of 

 the eyeball Sclerotic coat Cornea Choroid coat Ciliary processes Iris 

 Pupillary membrane Retina Layer of rods and cones (Jacob's membrane, or 

 bacillar membrane) Crystalline lens Suspensory ligament of the lens (zone of 

 Zinn) Aqueous humor Vitreous humor Summary of the anatomy of the globe 

 of the eye ' . p . 6 4<> 



