CONTENTS. xi 



CHAPTER XVI. 

 TETANUS. 



Introductory Historical Bacillus tetani Isolation of tetanus bacillus 

 Characters of cultures Conditions of growth Pathogenic 

 effects Experimental inoculation Tetanus toxines Anti- 

 tetanic serum Methods of examination Malignant redema 

 Characters of bacillus Methods of diagnosis . . Page 351 



CHAPTER XVII. 



CHOLERA. 



Introductory The cholera spirillum Distribution of the spirilla 

 Cultivation Powers of resistance Experimental inoculation 

 Toxines of cholera spirillum Inoculation of human subject 

 Modes of distinguishing the spirillum General summary Spirilla 

 resembling the cholera organism Methods of diagnosis 

 Metchnikoff s spirillum Finkler and Prior's spirillum Deneke's 

 spirillum . . . . . . . . . 375 



CHAPTER XVIII. 



INFLUENZA, PLAGUE, RELAPSING FEVER, MEASLES, 

 RHINOSCLEROMA. 



Influenza bacillus Microscopical characters Cultivation Distribu- 

 tion Experimental inoculation Methods of examination 

 Bacillus of plague Microscopical characters Distribution Cul- 

 tivation Experimental inoculation Immunity Relapsing fever 

 Characters of the spirillum Relations to the disease . 405 



CHAPTER XIX. 

 IMMUNITY. 



Introductory Acquired immunity Artificial immunity Varieties 

 Active immunity Methods of production Attenuation and 

 exaltation of virulence Passive immunity Action of the serum 

 Antitoxic serum Standardising of sera Action of antitoxic 

 serum Antimicrobic serum Pfeiffer's phenomenon Summary 

 with regard to anti-sera Theories as to acquired immunity 

 Natural immunity Natural bactericidal powers . . 423 



