CONTENTS 



CHAPTER I p AGE 



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-prodncing 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 .... 71 



CHAPTER IX 



The Action of Chemicals 



Chemotaxis and Chemical Disinfection . 78 



