CONTENTS xiii 



PAGE 



Biological reactions Pathological ^changes in typhoid fever- 

 Immunisation of animals Etiological relationships of bacillus 

 typhosus Epidemiology of typhoid fever Typhoid carriers 

 Serum diagnosis of typhoid fever Vaccination against 

 typhoid Methods of examination Paratyphoid and food- 

 poisoning bacilli 'The bacillus paratyphosus Bacillus enteri- 

 tidis (Gaertner) The psittacosis bacillus Danysz's bacillus 

 and rat viruses Bacillus dysenterise Bacillus enteritidis 

 sporogenes Summer diarrhrea General review of coli-typhoid 

 group Mutation in coli-typhoid bacilli . . .361 



CHAPTEK XVI. 



DIPHTHERIA. 



Historical General facts Bacillus diphtherise Microscopical 

 characters Distribution Association with other organisms 

 Cultivation Powers of resistance Inoculation experiments 

 The toxins of diphtheria Variations in virulence of bacilli 

 Bacilli allied to the diphtheria bacillus Summary of patho- 

 genic action Methods of diagnosis .... 409 



CHAPTEE XVII. 



TETANUS OTHER ANAEROBIC BACILLI. 



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 

 cedema Characters of bacillus Experimental inoculation 

 Methods of diagnosis Bacillus botulinus Quarter-evil 

 Bacillus aerogenes capsulatus Fusiform anaerobic bacilli . 428 



CHAPTER XVIII. 

 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 MetchnikofFs 

 spirillum Finkler and Prior's spirillum Deneke's spirillum 459 



