ILLUSTRATIONS. 



PLATES. 



Page. 

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



by larvje of the sawfly PaiiiphiJiia^ pcrsicitm. Fig. 2. — Peach 



leaves rolled by larviie of the sawfly PainphiUiis 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 i 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 C4 



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 (Isosouia Iritici) from 



which the joint-worms have been removed by some beneficial 



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



(1. Diagram of si»ray nozzle for the mechanical mixture of oil with 



water or other liquids , 114 



7. Compressed-air immp. suitable for spraying a mechanical mixture 



of oil and watei', when fitted with the nozzle herein descril)ed — 115 



7 



