LIST OF ILLUSTRATIONS xix 



FIG. PAGE 



176. This forest has been burned twice 337 



177. The Sir Joseph Hooker oak, Chico, California . . . 339 



178. A forest of Douglas fir (Oregon pine) and giant arbor 



vitse 340 



179. A Sequoia grove 342 



180. A branch split open to show how the grain of the wood 



runs 344 



181. Relative amount of nourishment and energy in twenty-five 



cents' worth of food at the price given .... 349 



182. Digestive apparatus of a fowl 357 



183. Stomach of a sheep ..'.''. 358 



184. Windpipe and lungs . . . . . . . .362 



185. Apparatus to illustrate inflation of lungs .... 363 



186. Action of biceps muscle of the arm . 371 



187. Arabian horse 379 



188. How the horse has increased in size . 381 



189. Different kinds of horses - . 382 



190. Bucking broncho . . . 382 



191. Wild ass . 383 



192. Mules ....... . o . . 383 



193. Milk type of cow ...... ... 384 



194. Beef type of cow . 384 



195. Cuts of beef . ... 385 



196. Texas longhorn . 386 



197. A modern sanitary cow stable . . . . . . 388 



198. Separator . 389 



199. An Angora prize winner ....... 391 



200. Merino sheep . 393 



201. Kinds of sheep . 394 



202. Sheep range in Utah . 395 



203. Razorback . . . . . . . . . .396 



204. Lard hog . . . ....... 396 



205. Cuts of pork . 397 



206. Kinds of dogs . 400 



207. Kinds of fowl . . . , . . . . . . . .400 



208. Queen, worker, and drone ....... 408 



209. Beehive. 409 



