CONTENTS xi 



CHAPTER VI 



PAGE 



IMMUNIZATION . . . . . .140 



Passive immunization. Influence of the method of 

 injection. Experiments of Bomstein, von Dungern, 

 and Bulloch. Rapid decrease and subsequent regular 

 monomolecular decrease. Influence of relationship. 

 Passive immunization with typhoid agglutinin. Fate of 

 red blood-corpuscles in a non-related animal. Time of 

 incubation. Vaccination. Negative phase. Active 

 immunization. Rapid increase of the antitoxin content 

 proceeding uniformly with time. Madsen's and 

 Jorgensen's experiments on active immunization with 

 cholera and typhoid bacilli. Antibodies in the blood of 

 patients after a bacterial disease. Persistent immunity. 



INDEX 161 





