HORSESHOEING. 



195 



lows the edge of the wall closely, Avhile the outer branch must 

 be full and at the quarter must extend beyond the wall far 

 enough to touch a perpendicular line dropped from the coronet 

 (Fig. 215). The shoe must, therefore, be punched deep (coarse) 

 on the outer branch and fine on the inner, A side-clip must be 



Fig. 214. 



Fig. 215. 



Right fore-hoof whose form has changed 

 as a result of ossification of the external lat- 

 eral cartilage. 



Shoe with broad outer branch, for the 

 hoof shown in the preceding cut. 



placed on the outer branch, because in time the outer half of the 

 the hoof will again be too high. Bar-shoes and rubber-pads are 

 injurious when both cartilages are ossified, but may be used 

 w^hen there is partial ossification of but one cartilage, especially 

 if corns are present. 



B. Disturbances of Continuity of the Hoof. 

 1. Ceacks. 



Interruptions of continuity of the wall extending in the 

 direction of the horn-tubes are known as cracks or seams. They 

 have, according to their location, degree, and extent, not only 

 various names, but also a varying significance. 



