190 



NAVIN OX THE HORSE. 



Some cases, especially where the coffin-joint is involved, 

 will reqiire time and patience in treatment. 



f h c 



VIEW OF THE INSIDE OF THE HOOF. 



a, The external or outside crust, seen at the quarters, 

 i, The coronary ring which throws out the hoof, supplying its repairs. 

 c, The little horny plates, called springs, on which the weight of the horse is borne, called 

 lamellaj. 



(7, The lamelloe continued over the bars. 



e, (?, The two concave or hollow surfaces of the inside horny, or outer frog. 



/, This is the cleft of the frog, when viewed on its outside. 



^, ^, The bars, shown on the inner side. 



PUMICED FOOT. 



This is either a partial or entire separation of the sensitive 

 and horny lamella? of the foot, permitting the coffin-bone to 

 settle down, or descend and rest on the sole. This causes 

 the sole to become flat, or even convex, the weight resting on 

 it, instead of on the lower border or inner surface of the 

 crust. 



S\jm'ptoms.—T\\(i symptoms presented do not always clearly 

 indicate the extent of the mischief. When the lamella) are 

 only partially separated, or have lost their elasticity and be- 

 come stretched by the weight resting on them, the coffin-bone 



