xiv CONTENTS. 



" 



CHAPTER IV. 



FEELING AND TOUCH, pp. 572 584. 



PAGE 



Sec. 1. General Sensibility and Tactile Perceptions . . . . . 572 



Sec. 2. Tactile Sensations 575 



Sensations of Pressure, p. 575. Sensations of Temperature, 



p. 576. 



Sec. 3. Tactile Perceptions and Judgments 579 



Sec. 4. The Muscular Sense 582 



CHAPTER Y. 



THE SPINAL CORD, pp. 585607. 



Sec. 1. As a Centre or Group of Centres of Reflex Action .... 585 

 Inhibition of Reflex Action, p. 590. The Time required for Reflex 

 Actions, p. 5L3. 



Sec. 2. As a Centre or Group of Centres of Automatic Action . . . 595 

 Sec. 3. As a Conductor of Afferent or Efferent Impulses .... 598 



CHAPTER VI. 



THE BRAIN, pp. 608650. 



Sec. 1. On the Phenomena exhibited by an animal deprived of its Cerebral 



Hemispheres 608 



Sec. 2. The Mechanisms of Co-ordinated Movements 614 



Forced Movements, p. 620. 



Sec. 3. The Functions of the Cerebral Convolutions 623 



Sec. 4. The Functions of other parts of the Brain 636 



Corpora striata and optic thalami, p. 636. Corpora quadrigernina, 

 p. 638. Cerebellum, p. 640. Crura cerebri and pons Varolii, 

 p. 641. Medulla oblongata, p. 642. 



Sec. 5. The Rapidity of Cerebral Operations . . . . . . 643 



Sec. 6. The Circulation in the Brain 645 



Sec. 7. The Cranial Nerves 648 



CHAPTER VII. 



SPECIAL MUSCULAR MECHANISMS, pp. 651 664. 



Sec. 1. The Voice 651 



Sec. 2. Speech 657 



Vowels, p. 657. Consonants, p. 658. 



Sec. 3. Locomotor Mechanisms 662 



