CONTENTS i x 



CHAPTER XVII. 



PAGE 



The Classification of Bacteria ...... 257 



CHAPTER XVIII. 



Bacillus of Tuberculosis (Koch's Tubercle Bacillus) . . 263 



CHAPTER XIX. 



Bacilli Showing Similar Staining Reactions to those of the 

 Tubercle Bacilli Syphilis Bacillus Smegma Bacillus 

 Leprosy Bacillus Grass Bacilli 311 



CHAPTER XX. 

 Influenza Bacillus ......... 320 



CHAPTER XXI. 

 Diphtheria Bacillus 329 



CHAPTER XXII. 

 Tetanus Bacillus 335 



CHAPTER XXIII. 



Bacillus Typhosus ( Eberth-Gaff ky's Bacillus of Typhoid 



Fever ; Bacillus Typhi Abdominalis) .... 402 



CHAPTER XXIV. 



Bacillus Coli Comnmnis (or Colon Bacillus of Escherich) . 444 



CHAPTER XXV. 



Pneumobacillus ( Friedlander's Bacillus) . . . 455 



CHAPTER XXVI. 



The Producers of Abscess, Cellulitis, Septicaemia, etc. (the 



Staphylococci and Micrococcus Tetragenus) . . . 461 



