xxii List of Plates 



i f TAOINO 



PAGE 



Plate XIV.— The woolly aphis 234 



Plate XV. — The tent caterpillar. Kosy apple aphis . . 246 



Plate XVI. — Diseases of the apple 260 



Plate XVII. — This tree has produced as high as 20 bar- 

 rels of fine fruit in one season and averages about 10 

 barrels a year 2?4 



Plate XVIII. — Showing method of picking practiced in 



Virginia 292 



Plate XIX.— Packing the fruit 306 



Plate XX. — Sizing and grading machines 326 



Plate XXI — A Baldwin tree near Paonia, Colorado . . 346 



Plate XXII. — A typical yellow Newtown orchard in the 



Watsonville, California, district 368 



Plate XXIII. — Seven-year-old Spitzenburg orchard in the 



Northwest 390 



Plate XXIV. — A Nebraska orchard of Missouri Pippin 

 trees 418 



