MULE SFIOES. 311 



at the toe is -f^ inch to ^ inch, at the quarters -^^ inch to 

 |- inch, and at the heels -j^ inch to ^- inch. 



The shoes differ from those of the horse in respect of 

 the number and disposition of the nail holes, and in being 

 lighter and less thick. In the ass the nail holes need not 

 exceed four, and in the mule five to six in number. 



As the wall is very hard and tough, the nails employed are 

 short, but fairly stout.' Ordinary horse nails are rather weak 

 in the shank, and, though often used, are liable to double up 

 when being driven, if used for donkeys or mules. 



