Show I SCIENTISTS HIVE been demonstrating that ice taken from polluted streams is not purified by freezing The St Louis Glolc Dcmaciat tells of an investigation by one KEDZIE which showed that ice from streams Containing rotting vegetable matter and sawdust produced diarrhea Also in 1S7 at Rye Beach an epidemic broke out in a large hotel and was traced at last to ice taken from an adjacent pond The water of this pond in summer was foul and stinking with putrescent matter Organic matter as well as bacteria is not eliminated by any ordinary degree of cold |