vni CONTENTS 



CHAPTER V 



THE DEFENSIVE FORCES OF THE MICROORGANISM 



Phagocytosis 57 



The Opsonins and Bacteriotropins . 6t 



Chemotaxis 65 



Bibliography . ' 69 



CHAPTER VI 



THE BACTERICIDAL SUBSTANCES OF THE BLOOD 



TheAlexins 70 



Pfeiffer's Experiment 72 



TheLeukins 80 



Offensive-defensive Mechanism in Infections with Necroparasites . . 81 



Offensive-defensive Mechanism in Infections with True Parasites . . 82 



Offensive-defensive Mechanism in Infections with Semiparasites . . 86 



Bibliography 89 



CHAPTER VII 



ANTIGENS AND ANTIBODIES 



Allergia 93 



Antitoxins ... 94 



Bacteriolysins .... 96 



Agglutinins . 97 



Precipitins 99 



Cytolysins 100 



Isocytolysins 102 



Auto-antibodies 102 



Immune Opsonins and Bacteriotropins . . 103 



Antiferments . 104 



Antilipoids 105 



Albuminolysins ... 105 



Anaphylaxis . . .106 



Protective Ferments 106 



Bibliography 108 



CHAPTER VIII 

 THE SIDE-CHAIN THEORY 



Nature of Antigen-antibody Interaction Ill 



Formation of Antibodies 117 



Classification of Receptors 121 



Bibliography ....'.-. v ... 129 



