SHOEING. 



425 



Fig. 20.— a 



rORE FOOT PREPARED FOR THE SHOE. 



A. The heel of the crust. 



B. The toe. 



C C. The quarters of the crust. 

 DD. The bars as they should be left witl 

 frog between them. 



E E. The angles between the heels and barB. 



•where corns appear. 

 F F. The concave surface. 

 G G. The bulbous heels. 

 H. Cleft. 



Pi)rm, and a dished coffin bone ; under a convex sole a coffin bone 

 turned up in front by absorption and flattened like the boof, spongy 

 and deficient in bony matter, tbe sensible sole diminished and the 

 horny sole increased in substance ; in long-.standing cases of con- 

 tracted heels, the interior organizations are alike reduced. Which- 

 ever may be the primary change, internal or external, or whether 

 either be a result of bad shoeing, no satisfactory solution has ye* 

 been given. Veterinarians wrangle over their favorite theories, 

 charge one another with causing the diseases they profess to pre- 

 vent, and are so completely antagonistic in their doctrines, that 

 the public cannot be confident of truth, in implicit reliance upon 

 Ihe assertions of any. 



In comparing the horse's foot with the human, we must be care- 

 ful not to fall into error ; their relations to the body are the same, 

 but to understand the comparative structures, we must imagine 

 ourselves upon all four^ resting upon the finger and to& nails, our 



