TABLE OF CONTENTS 



I. The Problem of Morphologic Variation of Bacteria ... 1 



II. The Rate of Growth of Bacteria 17 



III. On Technique 47 



IV. The Size of the Cells of Bacillus Megatherium 59 



V. The Size and Form of the Cells of the Colon Bacillus . 87 



VI. Some Observations of a Diphtheroid Bacillus 99 



VII. A Note on Spore Formation Ill 



VIII. Morphologic Variations of the Cholera Vibrio 117 



IX. The Senescent Forms of the Colon Bacillus 125 



X. On Cytomorphosis in Bacteria 139 



Appendix: 



Tables 151 



References 175 



Index 187 



xui 



