viii CONTENTS 



CHAPTER V (continued) 



SECTION PAGE 



IV. THE CONDITIONS AFFECTING THE MECHANICAL RESPONSE OF A 



MUSCLE 230 



V. THE CHEMICAL CHANGES IN MUSCLE 235 



VI. THE PRODUCTION OF HEAT IN MUSCLE 246 



VII. ELECTRICAL CHANGES IN MUSCLE 251 



VIII. THE INTIMATE NATURE OF MUSCULAR CONTRACTION 263 



IX. VOLUNTARY CONTRACTION 266 



X. OTHER FORMS OF CONTRACTILE TISSUE 271 



CHAPTER VI 

 NERVE FIBRES (CONDUCTING TISSUES) 



I. THE STRUCTURE OF NERVE FIBRES 279 

 II. PROPAGATION ALONG NERVE FIBRES 283 



III. EVENTS ACCOMPANYING THE PASSAGE OF A NERVOUS IMPULSE 287 



IV. CONDITIONS AFFECTING THE PASSAGE OF A NERVOUS IMPULSE 289 

 V. THE EXCITATION OF NERVE FIBRES 294 



VI. THE CONDITIONS WHICH DETERMINE ELECTRICAL STIMULATION 304 



VII. THE NEURO-MUSCULAR JUNCTION 310 

 VIII. POLARISATION PHENOMENA IN NERVE 315 



IX. THE NATURE OF THE EXCITATORY PROCESS 319 



CHAPTER VII 

 THE CENTRAL NERVOUS SYSTEM 



I. THE EVOLUTION AND SIGNIFICANCE OF THE NERVOUS SYSTEM 324 



II. THE NERVOUS SYSTEM OF VERTEBRATES 334 



III. GENERAL CHARACTERISTICS OF REFLEX ACTIONS 341 



IV. NATURE OF THE CONNECTION BETWEEN NEURONS 346 

 V. FUNCTIONS OF THE NERVE -CELL 351 



THE SPINAL CORD 



VI. STRUCTURE OF THE SPINAL CORD 355 



VII. THE SPINAL CORD AS A REFLEX CENTRE 364 



VIII. THE MECHANISM OF CO-ORDINATED MOVEMENTS 382 

 IX. TROPHIC FUNCTIONS OF THE CORD 394 



X. THE SPINAL CORD AS A CONDUCTOR 396 



THE BRAIN 



XI. THE STRUCTURE OF THE BRAIN STEM 407 

 XII. THE FUNCTIONS OF THE BRAIN STEM 441 



XIII. THE FUNCTIONS OF THE CEREBELLUM 447 



XIV. VISUAL REFLEXES 459 

 XV. SUMMARY OF THE CONNECTIONS AND FUNCTIONS OF THE CRANIAL 



NERVES 463 

 THE CEREBRAL HEMISPHERES 



XVL GENERAL STRUCTURAL ARRANGEMENTS OF THE CEREBRUM 470 



XVII. THE FUNCTIONS OF THE CEREBRAL HEMISPHERES 491 



XVIII. THE VISCERAL OR AUTONOMIC NERVOUS SYSTEM 520 



