U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY -BULLETIN No. 64. 



n. T. GALLOWAY, CVtif/o/^HrcoM. 



A METHOD OF DESTROYING OR PREVENTING 



THE GROWTH OF ALG^E AND CERTAIN 



PATHOGENIC BACTERIA IN 



WATER SUPPLIES. 



BY 





(JKOKGE T. MOOKH, 



Physiologist and Ausoloclst in Ciiaroe of Laboratory 

 OF Plant Piiystot.ooy, 



AND 



KARL F. KELLEKMAN, 

 Assistant in Physiology. 



VEGETABLE PATHOLOGICAL AND PH Y'?!' n.OGIC A L 

 INVESTIGATIONS. 



IsauBo May 7, 1904, 



WASHINGTON: 

 government printing office. 



1904. 



