6o 



EXAMINATION OF HORSES 



either side as its buttresses^ and of the sole for its spa7i. 

 Keystone it has none. 



Take either half of the Jirst section of the foot, and you 

 again find the coffin-bone resting upon an arch. This 

 arch differs from the last in its posterior half. Its anterior 

 half, like the former arch, has the wall of the foot as a 

 buttress and the sole for a span ; but for the posterior 

 half of the span and buttress it has one structure, and 

 this structure is yielding and highly elastic, and diverges 

 as it proceeds backwards. Seen from above, or as we see 

 it when looking into an empty hoof, we find it like this — 



(y 



