Issued April 6, 1910. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY BULLETIN No. 131. 



H. W. WILEY, Chief of Bureau. 



LEAD ARSENATE. 



I. Composition of lead arsenates found on the market. 

 II. " Home-made" lead arsenate and the chemicals entering into 



its manufacture. 

 III. Action of lead arsenate on foliage. 



J. K. HAYWOOD, 



Chief, Miscellaneous Division, 



AND 



c. c. MCDONNELL, 



Chief, Insecticide and Fungicide Laboratory, Miscellaneous Division. 

 IN COOPERATION WITH THE BUREAU OF ENTOMOLOGY. 



WASHINGTON: 

 GOVERNMENT PRINTING OFFICE, 



1910, 



