XIV CONTENTS. 



PAGE 

 Vitality of the Blood, . . . . . . , . .716 



The Coagulation of the Blood, 717 



SANGUIFICATION, 729 



The Blood Glands, 732 



The Liver considered as a Blood Gland, . . . . . 744 



Glycogenic Function of the Liver, 744 



Sanguification and the Blood Glands in Animals, .... 750 



SECRETION, 751 



Secretion in General, 751 



General Function of the Liver, 759 



The Mammary Glands and Lactation, 761 



Mucous Secretion and Mucus, . 766 



Serous and Synovial Secretion, 767 



EXCRETION, 768 



The Kenal Excretion, 768 



" " in Animals, 787 



Special Secretions and Excretions in Animals, 790 



The Skin and its Excretions, 790 



The Cutaneous Excretion in Animals, 795 



EESPIRATION, 795 



The Organs of Respiration, . . 797 



Mechanism of Eespiration, 805 



Changes of the Air in Eespiration, 821 



Effects of Eespiration on the Blood and Tissues, . . . .828 



Conditions which modify the Chemical Processes of Eespiration, . 842 



Effects of Breathing other Gases than Air, 847 



Asphyxia, 850 



Suspended Eespiration and Animation, k . 854 



Effects of Breathing Impure Air, .857 



The Organs and Function of Eespiration in Animals, . . . 862 



ANIMAL HEAT, LIGHT, AND ELECTRICITY, . . . . 972 



Animal Heat, 972 



Effects of Cold on the Human Body, 876 



Heat " .' 878 



Theories of Animal Heat, 880 



Influence of the Nervous System on Animal Heat, . . . 885 



Uses of Animal Heat, 886 



