CONTENTS. XIX 



PAGE 



2. Effects of .Respiration on the Air ...... 521 



3. Effects of Suspension or Deficiency of Respiration . . . 535 



CHAPTER XI. 



OF NUTRITION . . . . . . . . . 546 



1. General Considerations. Formative Power of Individual Parts . . 546 



2. Varying Activity of the Nutritive Processes. Reparative Operations . 554 



3. Abnormal Forms of the Nutritive Process .... 566 



CHAPTER XII. 



OF SECRETION AND EXCRETION , . . . . . . 574 



1. Of Secretion in General ....... 574 



2. The Liver. Secretion of Bile '. V . . . . 581 



3. The Kidneys. Secretion of Urine ..... 594 



4. The Skin. Cutaneous Transpiration . V * 611 



CHAPTER XIII. 



EVOLUTION OF HEAT, LIOHT, AND ELECTRICITY ..... 614 



1. General Considerations . . . ~ . . . 614 



2. Evolution of Heat .615 



3. Evolution of Light ,.'/:, . . . . . 632 



4. Evolution of Electricity ....... 633 



CHAPTER XIV. 



OF THE FUNCTIONS OF THE NERVOUS SYSTEM ..... 641 



1. General Summary ....... 641 



2. Of the Spinal Cord and Medulla Oblongata; their Structure and Actions 659 



3. Of the Sensory Ganglia and their Functions. Consensual Movements . 719 



4. Of the Cerebellum and its Functions . . . . .728 



5. Of the Cerebrum and its Functions ..... 741 

 Of Sleep ...... ' . . . 819 



6. Of the Sympathetic System and its Functions . . . 829 



7. General Recapitulation, and Pathological Applications ." . .831 



CHAPTER XV. 



OF SENSATION AND THE ORGANS OF THE SENSES ..... 848 



1. Of Sensation in general . . . . . . 848 



2. Sense of Touch ........ 858 



3. Sense of Taste ........ 862 



4. Sense of Smell . '."'" ...... 871 



5. Sense of Vision . . . . . . . . 873 



6. Sense of Hearing . ^ . . . . .894 



