692 



SHOEING. 



porting the weak parts by drawing the edges together with nails, 

 or fastening on a plate with screws ; all of which are merely pal- 

 liative, and not to be 

 depended upon. It 

 would, of course, be 

 easy to grow the foot 

 down by keeping the 

 horse in a stall or small 

 yard "where the ground 

 is soft, but when put 

 to work it would be li- 

 able to split down 

 again as before. Con- 

 sequently it has been 

 one of the most vexatious and annoying of difficulties, because to 



to do this it was nec- 

 essary to keep the 

 horse idle from three 

 Fig. 530.— Cross-section of the same. ^ g^ months; and 



then, when put to 

 work, if by chance he 

 were driven sharply 

 over hard or frozen 

 roads, the quarter was 

 liable to burst, which 

 would again make the 



Fig. 539. — Ordinary form of rolling motion shoe. 



Fig. 531. — Side view showing degree of curve. 



loss of use necessary. Or it became necessary to resort to the pal- 

 liative measures refer- 

 red to, and thus in time 

 the value of an other- 

 wise good horse would 

 be destroyed. 



We see, in the first 

 place, that the whole 

 trouble arises from the 

 hoof becoming con- 

 tracted or too small for 

 the internal parts. This pj^ 532.— Ground surface of above, showing 



\v^iU be most notice^^ble method of putting on calking, 



