CONTENTS. xiii 



PAGE 



STRUCTURE AND PHYSIOLOGY OF THE PONS VAROLII, CRURA 

 CEREBRI, CORPORA QUADRIGEMINA, CORPORA GENICU- 



LATA, OPTIC THALAMI, AND CORPORA STRIATA . . 519 



Pons Varolii . . . . . . . . . . ib. 



Crura Cerebri . . . . . . . . . . 520 



Corpora Quadrigemina . . . . . . . . 5 22 



The Sensory Ganglia . . . . . . . . 523 



STRUCTURE AND PHYSIOLOGY or THE CEREBELLUM . . 525 



STRUCTURE AND PHYSIOLOGY OF THE CEREBRUM . . 532 



PHYSIOLOGY OF THE CEREBRAL AND SPINAL NERVES . . 539 

 Physiology of the Third, Fourth, and Sixth Cerebral or 



Cranial Nerves . . . . . . . . 540 



Physiology of the Fifth or Trigeminal Nerve . . . . 544 



Physiology of the Facial Nerve .. .. .. 551 



Physiology of the Glosso-Pharyngeal Nerve . . . . 554 



Physiology of the Pneumogastric Nerve . . . . 557 



Physiology of the Spinal Accessory Nerve . . . . 563 



Physiology of the Hypoglossal Nerve . . . . . . 565 



Physiology of the Spinal Nerves . . . . . . 567 



PHYSIOLOGY OF THE SYMPATHETIC NERVE . . . . ib. 



CHAPTER XVII. 



CAUSES AND PHENOMENA OF MOTION . . . . . . 579 



CILIARY MOTION . . . . . . . . . . ib. 



MUSCULAR MOTION .. .. .. .. . . 581 



Muscular Tissue . . . . . . . . . . ib. 



Properties of Muscular Tissue . . . . . . 588 



Action of the Voluntary Muscles . . . . . . 596 



Action of the Involuntary Muscles . . . , . . 603 



Source of Muscular Action . . . . . . . . ib. 



CHAPTEK XVIII. 



OF VOICE AND SPEECH . . . . . . . . 605 



Mode of Production of the Human Voice . . . . ib. 



The Larynx . . . . ... . . . . 607 



Application of the Voice in Singing and Speaking . . 615 



SPEECH . . . . . . . . . . . . 620 



CHAPTER XIX. 



THE SENSES . . . . . . . . . . . . 623 



THE SENSE OF SMELL . . . . . . . . 631 



THE SENSE OF SIGHT . . . . . . . . 637 



Structure of the Eye . . . . ';.- . . ib. 



Phenomena of Vision . . . . . . . . 646 



Reciprocal Action of different parts of the Retina . . 662 



Simultaneous Action of the two Eyes . . . . . . 665 



