PART VI. 



Insect and Kuingtis Pests. 



CHAPTER CXI. 



GENERAL REMEDIES AGAINST PESTS AND PARASITES. 



A PPLfANCES.ln America the dust of dry Pyrethrum 

 " leaves and various patent powders are largely used 

 against all insect-pests. A hand-duster (Fig. 74), or one of 

 the patent bellows, sold by Messrs. Henderson & Co. of New 

 York, may be used for dusting all sorts of insecticides or 

 fungicides. In Fig. 75 three different forms of bellows are 



FIG. 74. NORTON'S PLANT FIG. 75. WOODASON'S BEL- 

 DUSTER. LOWS FOR POWDER AND FLUID. 



illustrated : one for spraying, another for vaporising and 

 the third for dusting, insecticides or fungicides. 



