Illustrations 17 



Fig. Page 



141. Distribution of hogs in the United States. (From U. S. Dept. Agr. 



Yearbook, 1921.) 385 



142. Pork production in the United States closely related to corn production 387 



143. Excellent type in the herd boar. (From Prof. E. F. Ferrin, University 



of Minnesota.) 391 



144. Good type in the boar. (From Iowa Department of Agriculture.) .... 393 



145. Good type in the brood sow. (From Iowa Department of Agriculture.) 396 



146. Skeleton of the horse. (From Sisson's Anatomy of the Domestic 



Animals, after Ellenberger and Baum, Dr. Septimus Sisson, Ohio 



State University.) 4:^3 



147. Bones of the fore leg 404 



148. Fore leg from knee to ground 415 



149. Bones, tendons, and ligaments of the fore leg. (After Haubner.) .... 405 



150. Bones of the hock 406 



151. Man and horse compared. (From Book of the Horse, by permission 



of the Gresham Publishing Company, London.) 407 



152. Exterior of the hoof 4^8 



153. Diagram showing structure of the foot 419 



154. The parts of the hoof 410 



155. Attachment of fore leg to body. (From Book of the Horse, by per- 



mission of the Gresham Publishing Company, London.) 413 



156. The horse in motion 415 



157. Front view of fore legs 418 



158. Side view of fore legs 418 



159. Side view of hind legs 419 



160. Rear view of hind legs 419 



161. Defects in fore legs and their effects on action 420 



162. Sickle hock 421 



163. Points of the horse 435 



164. A grand champion draft gelding 436 



165. The draft type 439 



166. Six high-class well-matched draft geldings. (From Ellis McFarland, 



Secretary, Percheron Society of America.) 441 



167. Heavy drafters in harness 442 



168. Before and after fattening. (From B. E. Carmichael, Ohio Experi- 



ment Station.) 445 



169. Carriage or heavy-harness type. (From Prof. C. N. Arnett, Montana 



State College.) 447 



170. The heavy-harness type in action. (From William Little, Manager, 



Irvington Farm, Sewickley, Pa.) 448 



171. The carriage horse in harness. (From The Spur, New York City.) .... 451 



172. Sensational action. (From The Spur, New York City.) 452 



173. Roadster or light-harness type. (From Hon. John R. Thompson, 



Libertyville, 111.) 455 



174. The light-harness horse in action 457 



175. Five-gaited saddle horse. (From Mrs. R. Tasker Lowndes, Danville, 



Ky.) 460 



176. The saddle horse in action. (From Mrs. R. Tasker Lowndes, Dan- 



ville, Ky.) 463 



177. The three-gaited saddle type 464 



