Xll TABLE OF CONTENTS 



PART IV. TAXONOMY 



CHAPTER X 



THE CLASSIFICATION OF BACTERIA 



PAGE 



Introduction 102 



The classification of Migula 104 



CHAPTER XI 



THE RELATIONSHIPS OF THE BACTERIA 



Introduction . . . . . .. . . . .115 



Bacteria defined 116 



The points of resemblance to other forms of life . . . . 117 



The relationships to the plants 119 



Classification of plants 119 



Relationships to the Eumycetes 120 



Relationships to the Cyanophycese 122 



Relationships to the Euphyceae 123 



Relationships to the Myxomycetes 123 



Relationships to the Myxobacteria . . . . . .124 



The relationships to animals 125 



Protozoa 125 



PART V. GENERAL PHYSIOLOGY 



CHAPTER XII 

 THE RELATION OF BACTERIA TO ENVIRONMENT 



Introduction 127 



The functions of bacteria 127 



External conditions 128 



The food of bacteria . . . . 128 



Chemical composition 129 



Water 129 



Oxygen . . .131 



Anaerobic culture methods . . . . . . .132 



Temperature 134 



The thermal death point . . . 138 



