170 THE NEW AGRICULTURE. 



would increase, and our people, more especially those dwelling in 

 large towns and cities, would not live out half the days allotted to 

 man. Equally well had we become satisfied that the stagnation of 

 the waters could be provided against and by passing them through 

 soils, they could be purified and rendered crystal clear and cool; 

 kept from freezing in winter and held sufficiently cool in summer, 

 to be more grateful and healthful than ice water. 



