TABLE OF CONTENTS. 



CHAPTER I. 



PAGE. 



INTRODUCTION i 



Definitions of immunity and antibody. The law of specificity. The necessity 

 of control tests. 



CHAPTER II. 



LABORATORY EQUIPMENT 7 



General technique. (Technique of injection. The methods of obtaining and pre- 

 serving serum. Bacterial filtration. Dilutions. Measurement of small 

 amounts of bacteria.) 



CHAPTER III. 



ACTIVE IMMUNITY 21 



Immunization with living and dead virus. (Vaccination against small-pox; anti- 

 rabic vaccination; antityphoid inoculation.) 



CHAPTER IV. 



ACTIVE IMMUNITY 34 



Immunization with bacterial extracts. Aggressin experiments. 



CHAPTER V. 

 TUBERCULIN DIAGNOSIS 43 



Koch's method; cutaneous reaction; Moro's ointment reaction; ophthalmo- 

 reaction; the specificity of the tuberculin reactions. 



CHAPTER VI. 



TUBERCULIN THERAPY . 55 



The technique of the tuberculin therapy; old tuberculin; new tuberculin; bovine 

 tuberculin. Nastin. 



CHAPTER VII. 



TOXIN AND ANTITOXIN 68 



The serum therapy of diphtheria. 



CHAPTER VIII. 



TOXIN AND ANTITOXIN (continued) 7 8 



Definition of toxin. Tetanus toxin. Botulism toxin. Dysentery toxin. 

 Staphylolysin. 



xi 



