THE FOOT 23 



would divide the entire limb into two equal portions and reach 

 the ground back of the center of the horny frog. 



For the front hoof the wall at the toe and the anterior sur- 

 face of the pastern should make an angle of not less than 45 nor 

 more than 50 degrees with the level ground surface, the wall at 

 the toe and the anterior surface of the pastern having the same 

 slant. 



For a normal hind hoof the angle should be from 50 to 55 

 degrees, and the anterior faces of the hoof and pastern should 

 still have the same slant. 



A normal hoof has a good quality of horn, and moderately 

 wide heels. The hind hoof is narrower and more pointed at the 

 toe than the front hoof. The wall from coronary band to ground 

 surface should be straight and smooth. The heels should be 

 rounded, well developed, and of the same height at the top of 

 the coronary band. The sole should be distinctly concave and 

 show no marked separation from the wall. The frog should be 

 large and elastic, the two portions of the same size, with a 

 shallow groove along the center. The oars should be straight, 

 extending forward and inward. The lateral cartilages, felt 

 above the coronary band on each side, should be elastic. The 

 sole in the angles between the bar and the wall at the heel 

 should not show red stain. There should be no separation of 

 the horny fibers as in toe or quarter cracks. The wall should be 

 reasonably thick. This can be usually determined by tapping 

 the wall with a hammer, noticing its rigidity. 



Disorders of the foot are mentioned in connection with the 

 anatomy of the anterior and posterior limbs. 



