CONTENTS. Xlll 



CHAPTER VI. 

 EXPERIMENTS UPON THE LIVING ANIMAL. 



PAGE 



a. Inhalation of micro-organisms . . . . 92 



b. Administration with food . . . . . .92 



c. Cutaneous and subcutaneous inoculation . . . -93 



d. Special operations ....... 94 



CHAPTER VII. 



EXAMINA TION OF ANIMALS EXPERIMENTED UPON, AND 

 THE METHODS OF ISOLATING MICRO-ORGANISMS FROM 

 THE LIVING AND DEAD SUBJECT. 



a. Method of dissection and examination . . . .96 



b. Isolation of micro-organisms from the living subject . . 99 



PART II. 



SYSTEMATIC AND DESCRIPTIVE, WITH SPECIAL 

 MICROSCOPICAL METHODS. 



CHAPTER VIII. 

 HISTORY OF OUR KNOWLEDGE OF BACTERIA . . 103 



CHAPTER. IX. 



CLASSIFICATION AND DESCRIPTION OF GENERA AND 



SPECIES. 



GROUP I. COCCACE,. 



Genus I. Streptococcus . . . . .114 



,, II. Merismopedia . . . JI 9 



,, III. Sarcina ..... .120 



,, IV. Micrococcus . .122 



V. Ascococcus . . .128 



