i^ a"NIVERSITY 



TABLE OF CONTENTS. 



PART FIRST. 



Generalities upon Microbes. 



I. — Microbes in the Static Condition. 



Definition i\ 



Forms 11 



Organization and chemical composition 14 



Occurrence and distribution in nature 14 



II. — Physiology of Microbes. 



Foods of microbes 19 



Digestion of microbes 19 



Eespiration of microbes 21 



Nutrition of microbes 22 



Movements of microbes 24 



Generation, multiplication 25 



Action of the media on microbes 27 



Action of microbes on the media 30 



Role of bacteria in nature 30 



Fermentations 81 



Putrefaction 32 



Role of bacteria in the normal organism 33 



Digestive action of microbes 33 



Putrefaction of cadavers 34 



E61e of microbes in tlie organism in the pathological con- 

 dition 36 



Classification 37 



PART SECOND. 



Generalities upon Pathogenic Microbes. 



I. — Pathogenic Microbes in the Static Condition. 



Saprogenic or saprophytic germs 39 



(V) 



