ILLUSTRATIONS 



FIGURE PAGE 



1. A SOIL AUGER 15 



2. A TORSION BALANCE 24 



3. EQUIPMENT SUITABLE FOR DEMONSTRATING PERCOLATION 



OF WATER IN SOILS 35 



4. A SOIL MULCH CYLINDER 54 



5. YOUNG WHEAT PLANTS 67 



6. A CORN KERNEL 79 



7. EARS OF CORN THAT APPROACH THE IDEAL TYPE . . 89 



8. A HEAD OF WHEAT AND ITS PARTS 106 



9. A HEAD OF RYE 112 



10. A HEAD OF SIX-ROWED BARLEY 125 



11. A HEAD OF OATS 130 



12. ROOT GRAFTING 210 



13. CLEFT GRAFTING 210 



14. A SEED CORN TESTER 214 



15. A DRAFT HORSE, SHOWING LOCATION OF PARTS . . 228 



16. REAR VIEW OF HIND LEGS OF HORSES .... 230 



17. SIDE VIEW OF HIND LEGS OF HORSES .... 231 



18. A DRIVING HORSE, SHOWING LOCATION OF PARTS . . 238 



19. A DAIRY Cow, SHOWING LOCATION OF PARTS . . 251 



20. A BEEF STEER, SHOWING LOCATION OF PARTS . . 259 



21. A FAT HOG, SHOWING LOCATION OF PARTS . . . 269 



xiii 



