U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF PLANT INDUSTRY BULLETIN No. 64. 



B. T. GALLOWAY, Chief of Bureau. 



A METHOD OF DESTROYING OR PREVENTING 



THE GROWTH OF ALG.E AND CERTAIN 



PATHOGENIC BACTERIA IN 



WATER SUPPLIES. 



BY 



GEORGE T. MOORE. 



PHYSIOLOGIST AND ALGOLOGIST IN CHARGE OF LABORATORY 

 OF PLANT PHYSIOLOGY, 



AND 



KARL F. KELLERMAN, 

 ASSISTANT IN PHYSIOLOGY. 



VEGETABLE PATHOLOGICAL. AND PHYSIOLOGICAL 

 INVESTIGATIONS. 



ISSUED MAY 7, 1904. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE 

 1904. 



