CONTENTS. xi 



CHAPTER XII. 



PACK 



VIBRIO 129 



CHAPTER XIII. 



SPIROBACTERIUM 131 



CHAPTER XIV. 



YEAST FUNGI : TORULACEJE, SACCHAROMYCES 136 



CHAPTER XV. 



MOULD FUNGI : HYPHOMYCETE3 OR MYCELIAL FUNGI 140 



CHAPTER XVI. 



ACTINOMYCES . 148 



CHAPTER XVII. 



ON RELATIONS OF SEPTIC TO PATHOGENIC ORGANISMS . 151 



CHAPTER XVIII. 



VITAL PHENOMENA OF NON-PATHOGENIC ORGANISMS . 1G9 



