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CONTENTS.

PAGE
LiTERATUKK . xiii

PART I.

GENERAL BACTERIOLOGICAL STUDIES, WITH SPECIAL REFER-
EXCE TO THE BACTERIA OF THE HUMAN MOUTH.

CHAPTER I.
Introductoky .... pa(;e 1

Short Outline'of the Morphology and Bioloirv of Bacloiia 4
1. Forms of Bacteria 4
2. Cumulative Forms of Bacteria 7
3. Reproduction of Bacteria . 8
4. The Origin'of Bacteria 9
5. Life-Conditions of Bacteria 10
6. Influence of Various Conditions on the Growth of Bacteria 11
a. Action of Temperature . n
b.\ Action of Oxygen . 11
r. Action of Acids and Alkalies 12
d. Action of Light, Electricity, ii nd Pres-ure 12
7. Antagonism among the Bacteria 13
8. Self-Destruction of Bacteria 14
Vital Manifestations of Bacteria 15
I. Action of Bacteiia upon the Liv Vegetable or Animal Bod 15
II. Action upon Lifeless Matter 18
I. Fermentation Bacteria 18
I
^. Fermentation of Carbohydrat 19
I
a. Lactic Acid Fermentation 20
b. Mannite Fermentation 22
I
c. Dextrane Fermentation 22
d. Butyric Acid Fermentation 23
Diverse Fermentation^ 25
e.