66 BULLETIN 1027, U. S. DEPARTMENT OF AGEICULTUEEi 



(125) Truelle, a.- 



L'emploi des compose? arsenicaux en arboriculture aux Etats-Unis. 

 Bull. soc. nat. agr., 69 (1909): 99. 



(126) 



L'emploi des insecticides arsenicaux en Angleterre. J. agr. prat., n. ser.,. 

 17 (1909): 268. 



(127) TscHiRCH, A. 



Das Kupfer, p. 133. Ferdinand Enke, Stuttgart (1893). 



(128) Van Slyke, L. L. 



Analyses of sprayed grapes. N. Y. Agr. Exp. Sta. Bull. 41 (1892): 56; 

 Exp. Sta. Rec, 4 (1892-93): 55. 



(129) Weed, C. M. 



The combination of insecticides and fungicides. Ohio Agr. Exp. Sta, 

 Bull., Vol. 2, No. 7, 2 ser., No. 14, (1889): 186; Agr. Science, 3 (1889): 263. 



(130) Weiss, M. 



Sur l'emploi des c(imposes arsenicaux en agiiculture, considere au point 

 de vue de I'hygiene public|ue. Bull. acad. med., 3 ser., 61, (1909): 

 140. 



(131) Wheeler, H. J. 



Grapes sprayed with Bordeaux. R. I. Agr. Exp. Sta. 4 Ann. Rpt. (1892): 

 84; Exp. Sta. Rec, 4 (1892-93): 242. 



(132) Wheeler, ,J. H. 



Some pests and diseases of the vine, Avith remedies. Rpt. 6 Ann. Calif. 

 State Vit. Conven. (1888): 63. 



(133) Woods, C. D. 



Analyses for poison of apples sprayed with arsenate of lead in mid-summer. 

 Maine Agr. Exp. Sta. Bull. 224 (1914): 46; Exp. Sta. Rec, 31 (1914): 

 141; Chem. Abst., 9 (1915): 503. 



(134) Zecchini and Ravizza. 



Copper in wine. Staz. sper. agrar. ital. 16 (1889): 73; through J. Soc. 

 Chem. Ind., 8(1889): 910. 



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