Plate X.— Right Fore Hoof of Horse; Ground Surface. 



1. Basal or ground border of wall; 2, laminae of wall; 3, angle of wall; 4, bar; 5, sole: 

 5', angle of sole; 6, white line (jimction of wall and sole); 7, apex of frog; 8, central 

 sulcus of frog; 9, 9, collateral sulci between frog and bars; 10, 10, bulbs of hoof. 



(From Sisson's Anatomy of the Domestic Animals, copyright W. B. Saunders Co.) 



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