VUl CONTENTS. 



CHAPTER VI. 



PAGE 



Somatic Afferent Division. General Cutaneous Subdi- 

 vision 105 



General cutaneous endings and general cutaneous components 

 in the spinal and cranial nerves; general cutaneous centers 

 in spinal cord and brain; general survey. 



CHAPTER VII. 



Somatic Afferent Division. Special Cutaneous Subdi- 

 vision 124 



Sense organs, morphology and physiology; special cutaneous 

 components; special cutaneous centers; differentiation of 

 cutaneous and auditory centers and cerebellum. 



CHAPTER VIII. 



Somatic Afferent Division. The Visual Apparatus ... 143 

 Organism sensitive to light; development of special light per- 

 cipient organ, the retina; optic tracts; structure of tectum 

 opticum; origin and morphological position of the eyes. 

 Pineal eyes. 



CHAPTER IX. 



The Visceral Afferent Division 155 



General Visceral Subdivision. 



Visceral afferent components; visceral sensory centers. 

 Special Visceral or Gustatory System. 



Organs of the sense of taste, origin, structure and distribu- 

 tion; innervation; gustatory centers; change of function 

 in higher vertebrates. 



CHAPTER X. 



The Olfactory Apparatus 176 



Sense organ; nerve; olfactory centers. Relations to other 

 systems. 



CHAPTER XI. 

 The Somatic Motor Division 190 



Ventral nerves; roots wanting in cranial region; origin, 

 arrangement and distribution of components; plexuses; 

 "hypoglossus"; eye muscle nerves; relations of the somatic 

 motor column in the brain. 



