FRUIT TREES AND 

 THEIR ENEMIES 



SPRAYING CALENDAR 



BY 



SPENCER PICKERING, M.A., F.R.S., 

 AN» FRED. V, THEOBALD, M.A. 



, MARmALL. HA\!ILTON, KENT & CO.. LTD. 



PmOE 716 Net ^^^ 



