LI-TTKR OF TRANSMITTAL 



U. S. DEPAKTMKM OF A<;KI< i I.TI i;i . 



HW///, r //"//. />. r.. JA//V-// /.;. 1903. 



Sin: I have the honor to transmit for your approval three papers on 

 insecticide- prepared in the Insecticide and Agricultural Watei- Labo- 

 ratory of thi- lUireaii. and to recommend their publication a< liullctin 

 No. T' of the r>uroau of Chemistry. 



Respectfully. H. W. WILEY, 



Chi 

 ]Ion. JA.MK> 



