I 



ANALYTICAL TABLE OF CONTENTS. 317 



NERVOUS SYSTEM. 



General Divisions. 82 



I. NERVOUS SYSTEM OF ANIMAL LIFE. 



Centre of the nervous system of animal life. Centre of the nervous 

 system of organic life. Nervous system of animal life symmetrical. 

 Relative size of the brain and nerves. 82 



External Forms of the Nervous System of Animal Life. 



Of the cerebral nerves. Of the nerves arising- from the cerebrum. Of 

 the nerves originating from the tuber annulare and its elongations. 

 Of the spinal nerves. Of the decussation of the nerves. Of the 

 nervous tunics. Communications of the nerves. Course and plex- 

 uses of the spinal nerves. Nervous trunks. Nervous branches. 

 Nervous anastomoses. Systems destitute of nerves. - 



Organization of the Nervous System of Animal Life. 

 Nervous filaments and chords. Nature and origin of the nervous coat. 

 Action of certain substances on the nervous coat. Medullary sub- 

 stance. Comparison between the cerebral and nervous medullary 

 substance. Cellular texture of the nerves. Blood-vessels. 87 



Properties of the Nervous System of Animal Life. 



1. Properties of texture, very slightly marked. 90 



2. Vital Properties. Animal sensibility. Internal and external sensa- 

 tions. Influence of the nerves on the animal contractility of other 

 parts. Organic contractility and sensibility. Influence of the nerves 

 on the organic properties of other parts. Sympathies of the 

 nerves. 90 



3. Properties of Reproduction. 95 



Development of the Nervous System of Animal Life. 

 State of the system in the fa-tus. In after life. Pathological states of 

 the brain. - - - - - - .... 95 



II. NERVOUS SYSTEM OF ORGANIC LIFE. 

 General Remarks. 



Of the Ganglions. 



Definition. Situation. Form. Organization. Properties. Diseases. 

 Development. Cerebral ganglions. 



Of the Nerves of Organic Life. 



Course. Plexuses. Structure. Properties. General remarks. 101 

 PATHOLOGY OF THE NERVOUS SYSTEMS OF ANIMAL AND ORGANIC LIFE. 

 Diseases of the brain. Diseases of the nerves. - - 103 



