CONTENTS 



CHAP. PAGE 



I. INTRODUCTORY 9 



II. HISTORICAL 16 



III. THE SCOPE AND DEPARTMENTS OF BACTERIOLOGY . 21 



IV. METHODS OP STUDYING BACTERIA; AND THEIR 



MORPHOLOGY AND LIFE HISTORY. ... 23 



V. HEALTH AND DISEASE 42 



VI. MODES OF THE ENTRANCE OF PATHOGENIC BAC- 

 TERIA INTO THE BODY, AND THEIR ACTION . . 48 



VII. SOME OF THE COMMONER ORGANISMS WHICH PRO- 

 DUCE DISEASE . . . . . .57 



VIII. BACTERIA AND PLANTS BACTERIA IN THE ARTS 



AND INDUSTRIES COMMERCIAL BACTERIOLOGY . 89 



BIBLIOGRAPHY . 96 



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