CONTENTS 



Page 

 IMMUNITY ................ 218 



Ehrlich's ricin experiments Ricin antitoxine Theory 



of immunity. 



HAEMOLYTIC AND BACTERIOLYTIC FERMENTS .... 227 

 Bordet's experiments. 



OXIDIZING FERMENTS ............ 230 



Schonbein's experiment Further oxidations by animal 

 tissues Oxidation by nucleo-proteid Oxidation about 

 the nucleus Glycolysis in blood Oxidation not de- 

 pendent on living cells of blood Relation of glycolysis 

 to the pancreas and the lymph Glycolytic ferment of 

 pancreas. 



ALCOHOLIC FERMENTATION ..... ..... 238 



The yeast plant Chemical relations of carbohydrates. 

 ACTIVATING FERMENTS ........ ... 243 



Enterokinase Conversion of trypsinogen to trypsin by 

 enterokinase. 



ABSORPTION OF PROTEIDS .......... 245 



Diffusion of pvoteids through dead membrane Diffusion 

 through living intestinal wall Absorption velocity com- 

 pared with diffusion velocity Assimilable proteids 

 Non-assimilable proteids Alimentary albuminuria 

 Albumose and peptone not ordinarily present in the 

 blood or urine Albumose and peptone changed in their 

 passage through the intestinal wall. 



ABSORPTION OF FATS, FAT ACIDS, AND SOAPS . . . 259 

 Absorption of fat Absorption of fat acids Absorption 

 of fat acid as a soap. 



LYMPH ................ 262 



Permeability of vessel wall in inflammation. 



II 

 BLOOD 



SPECIFIC GRAVITY 264 



Drawing the blood Determination of specific gravity. 

 COUNTING THE CORPUSCLES 266 



Counting the red corpuscles Counting the white cor- 



