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community that does not resiK'ct those measures. These measures pro- 

 tect the state, municipality and the home; they affect schoolhouses, 

 public buildings, foods, and street cleaning; in fact, there is hardly a 

 phase of social or industrial life that is not reached l>y the arm of 

 sanitary precautions. Further evidence is shown by a study of vital 

 statistics during the past fifty years, wherein may be seen a marlved 

 reduction in the deaths from all preventable diseases. All of this has 

 come a I tout, and nmch more is yet to come, I believe, through this re- 

 naissance period in the science of sanitation, marked by the estab- 

 lishment of the germ theoi'y of disease and the l)irth of bacteriology. 

 Fiom that time the bacteriolcgist and the sanitarian have marched hand 

 in h.'uul iu tlieir grand tiglit against disease and death. 



