CONTENTS 



Historical Introduction — Spontaneous Generation — Causation of 

 Disease — Putrefaction and Fermentation — Study of Forms — ■ 

 Chronological Table .... 17 



CHAPTER I. 



Position of Bacteria — RelationSliips to Algse — Yeasts — Molds — 

 Protozoa . . 34 



PART I. 

 MORPHOLOGY. 



CHAPTER II. 



Cell Structures — Cell Wall — Protoplasm — Plasmolysis — Plasmop- 

 tysis — Nucleus — Vacuoles — Capsules — Metachromatic Granules 

 — Flagella — Spores . . , 39 



CHAPTER III. 

 Cell Forms — Coccus — Bacillus — Spirillum . . .49 



CHAPTER IV. 

 Cell Groupings . .... 52 



CHAPTER V. 

 Classification — Migula's 56 



