U. S. DEPARTMEN r OI' AGRICULTURE. 



BUREAU OF PLANT INDUSTRY BULLETIN No. 64. 



il. T. GAIJ.ttWAV, Chkf of Bureau. 



A Ml^H^TTOl) OF DESTKOVING Oil FllEVRNTING 



THE (iUOWTH OF AI.U/E AND CERTAIN 



PATHOGENIC BACTERIA IN 



WATER SUPPLIES. 



BY 



GEOK(rE T. MOOKK. 



Physiologist AND AL(iOLO(sisT in C'liAiaii: oi' I^abouatoky 

 OF Plant Physiology, 



AND 



KARL F. KELLERMAN, 

 Assistant in Physiology. 



VKGETABLE PATHOLOGICAL AND PHYSIOLOGICAL 

 INVESTIGATIONS. 



Issued May 7, 1904. 



WASHINGTON: 

 government printinc; office 



1904. 



