Xll TABLE OF CONTENTS. 



SECTION XII, PAGE 



NUTRITION, 659 



I. THE FATE or THE ALBUMINOUS FOOD-CONSTITUENTS, . . 660 

 II. THE FATE OF THE FATTY FOOD-CONSTITUENTS, . . .664 



III. THE FATE OF THE CARBOHYDRATE FOOD-CONSTITUENTS, . . 666 



IV. THE STATISTICS OF NUTRITION, . ; . . . . .672 



1. Tissue Changes in Starvation, 674 ; 2. The Nutritive Processes in 

 Feeding, 680; (a) Feeding with Meat, 680; (6) Feeding with 

 Fat, 682 ; (c) Feeding with Carbohydrates, 683. 



V. THE FOOD REQUIRED BY THE HERBIVORA UNDER DIFFERENT 



CONDITIONS, . . . . ; . .-.-. . ... 684 

 VI. HUNGER AND THIRST, . . . * . ' . . . 692 



SECTION XIII. 

 ANIMAL HEAT, . . . . ". ^ - - ~ .- ^ ^ ^ ^ 693 



BOOK SECOND. 

 THE ANIMAL FUNCTIONS. 



SECTION I. 

 THE PHYSIOLOGY OF MOVEMENT, . . . .. . .701 



1. The Contractile Tissues, 701 ; (a) Chemical Composition of Muscle, 

 704 ; (&) Muscular Irritability, 709 ; (c) The Phenomena of Mus- 

 cular Contraction, 710 ; (d) The Electrical Phenomena in Muscle, 

 721 ; 2. The Applications of Muscular Contractility, 722 ; 3. Ani- 

 mal Locomotion, 731; 4. The Gaits of the Horse, 739 ; (a) The 

 Walk, 744; (5) The Amble, 746; (c) The Trot, 748; (d) The 

 Gallop, 749 ; 5. Other Movements in the Horse, 750 ; (a) Rearing, 

 750 ; (&) Kicking, 753 ; (c) Lying Down and Rising Up, 754 ; 

 (d) Walking Backward, 754 ; (e) Swimming, 755 ; 6. Special Mus- 

 cular Mechanisms The Voice, 757. 



SECTION II. 



THE PHYSIOLOGY OF THE NERVOUS SYSTEM, . . . . .765 



I. THE CHEMICAL AND PHYSICAL CHARACTERISTICS OF NERVOUS 



TISSUES, . . 774 



II. NERVOUS IRRITABILITY, . . 776 



III. THE ELECTRICAL PHENOMENA IN NERVES, . . . .779 



IV. GENERAL PHYSIOLOGY OF THE NERVE-CENTRES, . . . 781 

 1. Reflex Action, 782 ; 2. Automatism, 784 ; 3. Inhibition, 785 ; 4. 



Augmentation, 785 ; 5. Co-ordination, 785. 



