xiv TABLE OF CONTENTS 



CHAPTER VII 



PAGE 



SIGNIFICANCE or THE PRESENCE OF THE COLON GROUP IN WATER. 140 



CHAPTER VIII 



VARIETIES OF COLON BACILLI AND THEIR SPECIAL SIGNIFICANCE. 174 



CHAPTER IX 

 OTHER INTESTINAL BACTERIA 201 



CHAPTER X 



THE SIGNIFICANCE AND APPLICABILITY OF THE BACTERIOLOGICAL 

 EXAMINATION 215 



CHAPTER XI 



BACTERIOLOGY OF SEWAGE AND SEWAGE EFFLUENTS 228 



CHAPTER XII 



BACTERIOLOGICAL EXAMINATION OF SHELLFISH 244 



APPENDIX 265 



