xvi LIST OF ILL USTRA TIOA S 



i6. Formation of a Sedentary Soil . . .Face page 78 



17. Formation of a Drift Soil . . . „ 84 



18. Experiment to show Percolation and Absorption 



of Water by Different Soils . . . „ 92 



19. Photograph illustrating Liquid Film round Soil 



Particles ...... 100 



2a Diagram illustrating Capillary Rise of Liquids ,, 104 



21. Distribution of Sun's Rays upon Southerly and 



Northerly Slope .... Page 117 



22. Apparatus used for Experiments with Bacteria Face page 122 



23. Diagram showing the Energy required from the 



Food by Oxen of Different Weights . . „ 198 



24. Diagram showing the Composition of the Carcass 



of Lean, Half-Fat, and Fat Oxen . . ,, 208 



