1 . s. DEPARTMENT OF AGRICULTURE 



BUREAU OF CHEMISTRY BKI.LETIN NO. 



I I ! ', 



[NSECTICIBE STI DIKS. 



I. I'YIMTIIIMM POWDERS CONTAINING I'olsoNoFS 

 MFTALS. 



II. A COMPILATION OF ANALYSFS ol-' I NSK( Tl< 'I I )KS 



AND Fr\<;i<'ii>i<:s. 



III. STATK LAWS ( JOY Kl!\ I N( i THF COMPOSITION 

 AND SALM OK I NSI X'TICl I >FS. 



HV 



J. K. ii A ^'^v< )< 



WASHINGTON: 



aoyER'NMENT PRINTING OFFICE 



' 



