xii Table of Contents. 



CHAPTER IX. 

 Other Intestinal Bacteria 152 



CHAPTER X. 

 The Significance and Applicability of the Bacteriological 

 Examination ' 17° 



CHAPTER XI. 

 The Bacteriology of Sewage and Sewage Efflttents . 184 



Appendix 203 



References . . . '. 217 



Index 247 



