CONTENTS. 



INTRODUCTION. 



"Omne Vivum ex Vivo" The Overthrow of the Doctrine of 

 Spontaneous Generation Earlier Bacteriological Studies 

 The Birth of Modern Bacteriology 17 



CHAPTER I. 



Definition of Bacteria Differences Between Parasites and 

 Saprophytes Their Place in Nature Bacterial Enzymes 

 Products of Bacteria Nutrition of Bacteria Their Rela- 

 tion to Oxygen Influence of Temperature Upon Their 

 Growth Chemotaxis 33 



CHAPTER II. 



Morphology of Bacteria Chemical Composition of Bacteria 



Mode of Multiplication Spore-formation Motility . . 63 



CHAPTER III. 



^Principles of Sterilization by Heat Methods Employed Dis- 

 continued Sterilization Fractional Sterilization Apparatus 

 Employed Sterilization under Pressure Sterilization by 

 Hot Air Thermal Death-point of Bacteria Chemical Dis- 

 infection and Sterilization Mode of Action of Disinfectants 

 Practical Disinfection 76 



CHAPTER IV. 



Principles Involved in the Methods of Isolation of Bacteria in 

 Pure Culture by the Plate Method of Koch Materials 

 Employed 104 



(v) 



