CONTENTS 7 



CHAPTER XV PAGE 



DIPHTHERIA 93 



CHAPTER XVI 



TETANUS f 99 



CHAPTER XVII 



THE PNEUMOCOCCUS 102 



CHAPTER XVIII 

 STREPTOCOCCUS INFECTIONS 105 



CHAPTER XIX 



STAPHYLOCOCCUS INFECTIONS 109 



CHAPTER XX 

 THE MENINGOCOCCUS 112 



CHAPTER XXI 



THE GONOCOCCUS 115 



CHAPTER XXII 

 SYPHILIS 117 



CHAPTER XXIII 



EXANTHEMATA 120 



Scarlet Fever 120 



Measles and German Measles 121 



Small-pox and Cow-pox 122 



CHAPTER XXIV 



FILTERABLE VIRUSES 124 



CHAPTER XXV 



MALARIA 126 



Yellow Fever. 128 



Trypanosomiasis 129 



