TABi^E OF CO^N^TEKTS. IX 



PAGB 



Irrigation: Definition of Technical Terms 176 



Carrying Capacity of Pipes 179 



Flow of Water Through Straight Pipes 179 



Power Required to Raise Water from Deep Wells by Pumping,. 180 



Approximate Cost of Different Kinds of Pipe used for Irrigation. 180 

 Average Cost per Mile of "Constructing Irrigation Canals and 



Ditches 1 80 



Capacity of Windmills and Pumps 181 



The California Weir Table 182 



Capacity of Cisterns and Tanks 182 



Capacity of Cisterns in Barrels, per Foot in Djpth 183 



Roads: Road -making 183 



Importance of Good Roads 185 



Tractive Force Required for Carriages 185 



Fraction of the Weight of a Vehicle and Load Required to Move 



Same on a Level Road 186 



Tractive Power of Horses at Different Speeds 186 



Effect of Inclination on Tractive Force 187 



Effects of Surface on Tractive Force 188 



Cost of Hauling Farm Produce in the United States 188 



Transportation on the Farm 189 



Labor Done by one Horse on Canals, Railroads, and Turnpikes. . 189 



Labor Done by Team in Plowing 189 



The Effect of ^Vide Wagon Tires 190 



Average Quantity of Stone Required to Keep Roads in Rejiair. . 190 



Interior Dimensions of Farm Buildings 191 



Recipe for Whitewash 191 



Table of Cut Nails 192 



XII. HUMAN FOODS. 



Composition of Human Food Materials 103, 198 



Percentages of Nutrients, Water, and Refuse in Food Materials. . . 197 



Pecuniary Economy of Food 200 



Amounts of Nutrients Furnished for 25 Cents in Food Materials. . . 201 



Dietary Standards 203 



Summary of American Dietary Studies 203 



Diagram of a Good Steer's Carcass as Cut up and Priced in East- 

 em Markets 204 



Diagrams of Cuts of Veal, Mutton, and Pork 205 



Live Weight and Dressed Weight of Steers of Different Breeds 



and Ages 206 



Proportion of Beef to the Live Weight of Cattle 206 



Comparative Results Obtained with Fattening Animals 207 



Live Weight and Gains Made by Swine 207 



Proportions of the Various Parts of Cattle, Sheep, and Swine. . . . 208 



