2OO INDEX 



Water, bacterial content 27, 50 Water, quantitative examination 32 



examination of 27, [79 Report of Standardization Coin- 

 standards for 58, 182 mittee 179 

 collection of samples 29, 30 river supplies 58 

 "deep" supplies 52 samples, particulars to record 

 examination for B. coli 34, 180 31 



B. enter itidis sporogenes 38 shallow well 56 



B. typhosus 39, 185 significance of bacterial results 



streptococci 37, 182 47 



Sp. cholerae 44 subsoil 56 



in swimming baths 183 transmission of samples 29 



objects of examination 28 upland surface 51 



qualitative examination 34, 179 viability of B. typhosus in 48 



CAMBRIDGE : PRINTED BY J. B. PEACE, M.A., AT THE UNIVERSITY IBESS< 



