CONTENTS. XIX 



PAGE 



The Active State of Nerve Fibres, 501 



-Nerve Stimuli, 501 



Velocity of Nerve Force, 504 



The Electric Change in Nerve, 506 



Electrotonus, 506 



Irritability of Nerve Fibres, 508 



Law of Contraction, 511 



Nerve Corpuscles or Terminals, 513 



Functions of the Nerve Cells, 515 



CHAPTER XXIX. 



SPECIAL PHYSIOLOGY OF NERVES. 



Nerves, 519 



The Cranial Nerves, 522 



The Trochlear Nerve, 523 



Portio Dura, etc., 524 



Efferent and Afferent Fibres, 526 



Ganglia of the Fifth Nerve, 527 



The Glossopharyngeal Nerve, 529 



The Vagus Nerve, 530 



The Hypoglossal Nerve, 632 



CHAPTER XXX. 



SPECIAL SENSES. 



Skin Sensations, 537 



Nerve Endings, 538 



Sense of Locality, 541 



Sense of Pressure, 543 



Temperature Sense, 545 



General Sensations, 547 



CHAPTER XXXI. 



TASTE AND SMELL. 



Sense of Taste, 650 



Sense of Smell, 553 



