PART THIRD. 



PATHOGENIC BACTERIA. 



I. MODES OF ACTION. II. CHANNELS OF INFECTION. III. SUSCEPTIBILITY AND 



IMMUNITY. IV. PROTECTIVE INOCULATIONS. V. PYOGENIC BACTERIA. VI. 



BACTERIA IN CROUPOUS PNEUMONIA. VII. PATHOGENIC MICROCOCCI NOT 



DESCRIBED IN SECTIONS V. AND VI. VIII. TlIE BACILLUS OF AN- 

 THRAX. IX. THE BACILLUS OF TYPHOID FEVER. X. BAC- 

 TERIA IN DIPHTHERIA. XI. BACILLUS OF INFLUENZA. XII. 

 BACILLI IN CHRONIC INFECTIOUS DISEASES. XIII. BACILLI 



WHICH PRODUCE SEPTICAEMIA IN SUSCEPTIBLE ANI- 

 MALS. XIV. PATHOGENIC AEROBIC BACILLI NOT 



DESCRIBED IN PREVIOUS SECTIONS. XV. 



BACTERIA OF PLANT DISEASES. XVI. 



PATHOGENIC ANAEROBIC BACILLI. 



XVII. PATHOGENIC SPIRILLA. 



