ILLUSTRATION'S. 



' PLATES. 



Page. 

 Plate I. Fig. 1. — Peach branch, showing how leaves have been eaten 



by larva? of the sawfly Pamphilius persicum. Fig. 2. — Peach 



leaves rolled by larvae of the sawfly Pamphilius persicum. 



Eggs on midribs near base of leaves 80 



TEXT FIGURES. 



Fig. 1. Chart to illustrate relative value of early sprayings on the first 



brood of "worms'' of the codling moth 58 



2. Chart to illustrate relative value of early sprayings on the second 



brood of "worms" of the codling moth 60 



3. Chart to illustrate relative value of early and late sprayings for 



the codling moth T 64 



4. The condition of the calyx cup of the apple in relation to 



spraying for the codling moth 71 



5. Wheat straws injured by the joint-worm (I so soma tritici) from 



which the joint-worms have been removed by some beneficial 

 animal, perhaps the short-tail shrew (Blariiiu brevicauda) 100 



6. Diagram of spray nozzle for the mechanical mixture of oil with 



water or other liquids 114 



7. Compressed-air pump, suitable for spraying a mechanical mixture 



of oil and water, when fitted with the nozzle herein described. __ 115 



7 



