CONTENTS. 



ILEMOLYSINS. 



PAGE 



DEFINITION i 



NATURE OF THE H^MOLYTIC SERUM 3 



Active and inactive sera 3 



Alexin and substance sensibilatrice of Bordet 4 



Role of the substance sensibilatrice 4 



The exciting agent 6 



ARTIFICIAL IMMUNITY AGAINST BACTERIA 7 



Bacteriolytic power of serum 7 



Specific bactericides 8 



Analogy of the bacteriolytic and haemolytic 



processes 9 



Active and inactive bacteriolytic sera 9 



STUDIES OF EKRLICH AND MORGENROTH ON THE 



NATURE OF HAEMOLYSIS 10 



Complements and immune body 15 



On what the specificity depends 17 



Difference between specific and normal sera 18 



Diverging views of Ehrlich and Bordet 18 



SIDE-CHAIN THEORY OF EHRLICH 19 



Applied to the production of antitoxins 20 



Toxins: made up of two groups, toxophore and 



haptophore 20 



Toxoids 20 



vii 



