178 ILLINOIS STATE ACADEMY OF SCIENCE 



of the public should be undertaken and that they should 

 become informed not only of the dangers of the indis- 

 criminate use of our streams as open sewers and waste 

 receptacles, but also of methods of conserving rainfall 

 and making more of it available. It is a subject that 

 could be pursued to advantage in our schools. Our 

 streams should not continue to serve as cess pools, but 

 should be converted back to their original state of whole- 

 someness. 



