328 



THE HORSE 



five and one -half inches long and five and one -half 

 inches wide, and embraces twenty -five and nine-tenths 

 square inches of area. 



The foot of the horse frequently plays an important 

 part in tillage. Not infrequently, the horses are driven 



FlG. 85. Two good feet supporting a broad breast 



over the field five times in preparing the ground and in 

 covering the seed. Watching horses when at work 

 plowing land, it was found that the average step was 

 four feet three inches, and that most horses, when at 

 this kind of work, set the hind feet down a little short 

 of the track made by the front feet. Supposing this to 

 be the case, and that each foot of the horse at each step 



