xii CONTENTS. 



PAGE 

 CHAPTER XV. 



RESPIRATION 392 



CHAPTER XVI. 

 ANIMAL HEAT 442 



CHAPTER XVII. 

 EXCRETION 457 



CHAPTER XVIII. 

 EXTERNAL SECRETIONS 480 



CHAPTER XIX. 

 INTERNAL SECRETION 494 



CHAPTER XX 



METABOLISM 514 



CHAPTER XXI. 

 THE CENTRAL AND PERIPHERAL ORGANS OF THE NERVE SYSTEM 531 



CHAPTER XXII 

 THE MEDULLA OBLONGATA; THE ISTHMUS OF THE ENCEPHALON; THE BASAL GANGLIA . . 564 



CHAPTER XXIII. 

 THE CEREBRUM 583 



CHAPTER XXIV. 

 THE CEREBELLUM 616 



CHAPTER XXV. 

 THE CRANIAL NERVES 623 



CHAPTER XXVI. 

 THE AUTONOMIC NERVE SYSTEM 657 



CHAPTER XXVII. 

 PHONATION; ARTICULATE SPEECH 673 



CHAPTER XXVIII. 

 THE SENSES OF TOUCH, TASTE AND SMELL 684 



CHAPTER XXIX. 

 THE SENSE OF SIGHT 694 



CHAPTER XXX. 

 THE SENSE OF HEARING . . 728 



CHAPTER XXXI. 

 REPRODUCTION 741 



APPENDIX. 

 PHYSIOLOGIC APPARATUS 757 



INDEX , 783 



