CONTENTS. 



INTRODUCTION. 



PAGE 



" ( ))iine vivuin ex vivo " The overthrow of the doctrine 

 of spontaneous generation 13-21 



CHAPTER I. 



Definition of bacteria Their place in nature Differ- 

 ence between parasites and saprophytes Nutrition of 

 bacteria Products of bacteria Their relation to oxygen 

 Influence of temperature upon their growth . . . 22-28 



CHAPTER u. 



Morphology of bacteria Grouping Mode of multipli- 

 cation Spore-formation Motility 29-36 



CHAPTER III. 



Principles of sterilization by heat Different methods 

 employed Principles of discontinued sterilization Ster- 

 ilization under pressure Apparatus employed . . 37-48 



CHAPTER IV. 



Disinfection Antiseptics Inorganic salts as disinfec- 

 tants The value of corrosive sublimate Heat . . 49-53 



CHAPTER V. 



The principles involved in the methods of isolation of 

 bacteria in pure culture by the plate method of Koch 

 Materials employed . 54-58 



