COMMON UNSOUNDNESSES. 179 



either in trotting or galloping, but is generally done 

 in galloping, and in deep ground. 



It can be avoided by taking care that there is no 

 sharp edge at the back of the hind shoe, but although 

 this will prevent the horse cutting himself, it will 

 not prevent him from bruising himself, and a horse 

 that does it is not fit to gallop much in deep ground. 



n2 



