208 ON THE HACKNEY AND HUNTER. 



fuddenly on his way, as I have more than once 

 experienced to my cod. 



The sand-crack, is a fmall cleft on the 

 external furface of the hoof. No horfe ought 

 to work a fingle day with one, becaufe if neg- 

 lected, or aggravated by work, the crack 

 may enlarge, and end in a quittor, and falfe 

 quarter. 



Of the founder in feet, cheft, or body, the 

 fymptoms are fo well known, as to need no 

 defcription. Progreflion feems univerfally im- 

 peded. The horfe bears upon his heels, and 

 inclines backward. Few recover, even if the 

 difeafe be fudden and acute. 



Running-thrushes, are a foetid difcharge 

 from the frog, the aperture of which, in con- 

 fequence, appears moid, the horn perhaps 

 decayed. It indicates a ftrong, full habit, and 

 hard feeding, and has been well compared by 

 Bartlet, to the copious excretion of fweat from 

 human feet, which it would be dangerous to 

 repel. To talk of curing running thrufhes, is 

 merely to amufe. Horfes much liable to them, 

 will always have tender heels, and mould be 

 ridden with bar-fhoes. 



Corns, upon horfes, bear no analogy with 

 thofe upon the human feet; indeed the term 

 is a miihomer. There are flill callous, horny 

 excrefcences about horfes feet, fimilar enough, 

 in all rcfpecls, to human corns, but they are 



not 



