XJi CONTENTS. 



Page 

 CHAPTER XXV. 



THE NERVOUS SYSTEM. 



General Nature and Structure of the Nervous System in Different 

 Groups of Animals Fundamental Elements of the Reflex Arc 

 Integration of the Nervous System 239 



CHAPTER XXVI. 

 THE NERVOUS SYSTEM. 



Reflex Action The Nerve Structures Involved in the Reflexes of 

 the Higher Animals The Receptors of Pain, Touch, Tempera- 

 ture Local Anesthesia and Analgesia The Afferent Fiber 

 Choice of Paths on Entering Spinal Cord The Nerve Center 

 The Efferent Neurone Types of Reflexes Spinal Shock 

 The Essential Characteristics of Reflex Action Muscular 

 Tone and Reciprocal Action of Muscles Symptoms Due to 

 Lesions Affecting the Reflexes 244 



CHAPTER XXVII. 

 THE NERVOUS SYSTEM. 



The Brain Stem The General Course and Functions of the Cranial 

 Nerves, Particularly of the Fifth and Seventh Relationship 

 of the Fifth Nerve to the Teeth and to Neuralgia Referred 

 Pain Through this Nerve Sensitiveness of the Tooth Tri- 

 facial Neuralgia Relationship of the Seventh Nerve to Bell's 

 Paralysis 256 



CHAPTER XXVIII. 

 THE NERVOUS SYSTEM: THE BRAIN. 



Influence of the Brain on the Reflex Functions of the Spinal Cord 

 Functions of the Cerebrum Cerebral Localization Experi- 

 mental and Clinical Observations The Sensory Centers The 

 Mental Process Aphasia The Cerebellum Relationship to 

 Body Equilibrium The Semicircular Canals The Sympa- 

 thetic Nervous System General Characteristics The Course 

 of Some of the Most Important Pathways 267 



