CONTENTS. 



CHAPTER XII. 



PACK 



VIBRIO . l82 



CHAPTER XIII. 



SPIROBACTERIUM 184 



CHAPTER XIV. 



YEAST FUNGI : TORULACE^, SACCHAROMYCES 189 



CHAPTER XV. 



MOULD FUNGI : HYPHOMYCETES OR MYCELIAL FUNGI .... 194 



CHAPTER XVI. 



ACTINOMYCES 204 



CHAPTER XVII. 



ON RELATIONS OF SEPTIC TO PATHOGENIC ORGANISMS . . . 207 



CHAPTER XVIII. 



VITAL PHENOMENA OF NON-PATHOGENIC ORGANISMS .... 232 



