CONTENTS xiii 



CHAPTER XV. 

 DIPHTHERIA. 



PAGE 



Historical General facts Bacillus diphtherise Microscopical 

 characters Distribution Cultivation Inoculation experi- 

 ments The toxins of diphtheria Variations in virulence of 

 bacilli Bacilli allied to the diphtheria bacillus Summary of 

 pathogenic action Methods of diagnosis . . . 352 



CHAPTER XVI. 

 TETANUS. 



Introductory Historical Bacillus tetani Isolation of bacillus 

 tetani Characters of cultures Conditions of growth Patho- 

 genic effects Experimental inoculation Tetanus toxins 

 Antitetanic serum Methods of examination Malignant 

 oedema Characters of bacillus Experimental inoculation 

 Methods of diagnosis Bacillus botulinus Quarter -evil . 

 Bacillus serogenes capsulatus . . . . .371 



CHAPTER XVII. 

 CHOLERA. 



Introductory The cholera spirillum Distribution of the spirilla 

 Cultivation Powers of resistance Experimental inoculation 

 Toxins of cholera spirillum Inoculation of human subject 

 Immunity Methods of diagnosis General summary Other 

 spirilla resembling the cholera organism Metchnikoff's 

 spirillum Finkler and Prior's spirillum Deneke's spirillum 399 



CHAPTER XVIII. 



INFLUENZA, PLAGUE, RELAPSING FEVER, MALTA FEVER, 

 YELLOW FEVER. 



Influenza bacillus Microscopical characters Cultivation Dis- 

 tribution Experimental inoculation Methods of examina- 



