CONTENTS 



CHAP. PAGE 



I. General considerations ....... I 



II. General methods for the isolation and identification of 



Indicator Organisms ...... 16 



III. Water 27 



IV. Soil and Sewage 61 



V. Shellfish 74 



VI. Milk .......... 85 



VII. Modified milk and milk products in 



VIII. The bacteriology of meat and meat products . . 122 



IX. Air . . . 136 



X. The determination of antiseptic and germicidal power 148 



Appendix .- - 158 



Addendum - 171 



Index . 189 



