248 Journal of the Department of Agriculture. — Sept., 1922. 



he is of the necessity of fruit growers to adopt those measures of 

 control supplementary to spraying, mentioned in this article and a 

 previous one (4), chiefly because native sprayers cannot be relied 

 upon to spray efficiently. 



LlTEH VTFRE CiTED. 



(1) *S'./1. Journal of Science, Vol. XYI, Oct.-Dec. '19, p. 193. " The 



Fruit Shed in Eelation to Codling Control," by F. W. Pettey. 



(2) " Report of the Second Annual Convention of Fruit Growers," 



California, 1883, by Chapin. (Fifteen thousand moths cap- 

 tured in one fruit shed in a season.) 



(3) U.S. Department of Agriculture, Bulletin No. 41, 1903. (Eleven 



thousand, nine hundred and seventy-four worms captured in 

 a fruit shed from loth April to 12th August.) 



(4) TTnioij of South Africa, Journal of Department of Agriculture, 



October, 1921. " How the Fruit Grower may more effectively 

 coutrol Codling Moth," by F. W. Pettey. 



Water Conservation in the Karroo. 



