TABLE OF CONTENTS. 



PAGE 



List of Illustrations x 



ivisT OF Reference Books xiii 



Introduction xiv 



CHAPTER I. 



general consideration of etiology, infection and 

 specific infectious diseases. 



Etiology I 



Infection 2 



Channels of Infection 5 



Wound infection . 6 



A specific infectious disease 11 



The differential characters of a specific infectious or epizootic 



disease 11 



Dissemination of infectious diseases 14 



Cause of variations in the course of an infectious disease 15 



Classification or grouping of infectious diseases 16 



Migula's classification of bacteria 18 



CHAPTER II. 



diseases attributed to wound infection. 



Botryomycosis 21 



Omphalophlebitis 25 



White scours in calves 26 



Infectious suppurative cellulitis 29 



Fistulous withers and poll-evil 31 



Infectious mastitis 32 



Miscellaneous infections 36 



CHAPTER III. ."^ 



diseases caused by bacteria — GENUS STREPTOCOCCUS. 



General discussion of streptococci 38 



Strangles 44 



Equine contagious pleuro-pneumonia_ 49 



Apoplectiform septicemia in chickens 57 



Streptococcus mastitis 60 



CHAPTER IV. 



DISEASES CAUSED BY BACTERIA-GENUS MICROCOCCUS. 



Takosis 6j 



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