any'encouragenient at present for general relief from the ravages of this 

 insect. In the case of small isolated fields, however, it is possible that 

 some benefit might be derived from dusting with slaked lime at a time 

 when the pest is clustered on the leaves. 



Approved : 



James Wilson, 



Secretary of Af/rieultnre. 



Washington, D. C, March IJ, 1907. 



O 



