CONTENTS 



CHAPTER I TAGE 



INTRODUCTION : MORPHOLOGY 



Form, Size, and Structure of the Bacterial Cell, Cell-membrane and Cell-contents . i 



Morphology of the Bacterial Cell . . ...... 2 



Finer Structure of the Bacterial Cell . 4 



CHAPTER II 

 MORPHOLOGY (continued} 



Pigments, Intracellular Products ; Movement and Organs of Locomotion ; Cell-division ; Spore- 

 formation and Germination ... . . ..12 



Movements and Organs of Locomotion . 14 



Reproduction of Bacteria by Fission . .16 



Spores and Sporulation .... 19 



CHAPTER III 

 TAXONOMY 



The Question of ' Species ' among Bacteria ; Variability ; Involution and Attenuation ; the 



Classification of Bacteria .... . 24 



CHAPTER IV 



TAXONOMY (continued') 

 The Systematic Position of Bacteria ; Other low Organisms with Pathogenic Properties . . 35 



CHAPTER V 



DISTRIBUTION AND ORIGIN 

 Distribution of Bacteria ; Their modes of life ; Spontaneous Generation . 44 



CHAPTER VI 

 PHYSIOLOGY OF NUTRITION AND GENERAL PRINCIPLES OF CULTURE 



Chemical Composition of Bacteria . 52 



Food Stuffs of Bacteria . . 53 



CHAPTER VII 

 RESPIRATION OF BACTERIA 



Aerobiosis and Anaerobiosis ; Light-producing Bacteria ; Marine Bacteria ; Sulphur and Iron 



Bacteria . ....... .60 



CHAPTER VIII 

 INFLUENCE OF PHYSICAL AGENTS 



Light, Electricity; Pressure, Temperature, Dryness and Moisture; Disinfection by means of 



Physical Agents ..... . . 7 1 



CHAPTER IX 



THE ACTION OF CHEMICALS 



Chemotaxis and Chemical Disinfection . . .- . 78 



