8 TABLE OF CONTENTS. 
§ 3.— DEscRIPTION OF GENERA AND SPECIES 
Spherobacteria . 
Micrococcus 
Monads 
Microbacteria 
Bacterium . 
Desmobacteria 
Bacillus 
Leptothriz . 
Spirobacteria 
Vibrio . 
Spirillum . 
PART SECOND. 
PHYSIOLOGY OF THE BACTERIA. 
CHAPTER I.— DEVELOPMENT IN GENERAL. 
§ 1.—OricIn oF Bacreria . 
Heterogenesis 
Dissemination 
in Airy: 
In Water . ies ae 
In the Human Organism . 
§ 2. —NuTrRITION AND RESPIRATION . 
Aliments : Water 
Nitrogen 
Carbon . 
Oxygen 
Temperature . 
Other Agents 
§ 3.— REPRODUCTION 
Fission 
Spores . 
Sporangia . 
Polymorphism 
PAGE 
65 
71 
72 
78 
80 
80 
86 
87 
90 
91 
92 
94 
101 
102 
103 
103 
106 
107 
111 
111 
itz 
113 
115 
118 
121 
123 
123 
126 
130 
133 
