36 MANUAL FOR ARMY HORSESHOERS. 



The navicular bone (distal sesamoid) is an elongated irregular 

 shaped bone, the ends of which are attached to the wings of the third 

 phalanx. The upper and front surface enters into the coffin joint 



Plate v.— Skeleton of Digit and Distal Part of Metacarpus of Horse; 

 Lateral View. 



1-7, Eminences and depression for attachment of ligaments. Cartilage of third 

 phalanx is removed. 



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



and articulates with the second and third phalanges, and the lower 

 surface is covered Avith articular cartilage to provide a smooth surface 

 for the movement of the tendon of the deep flexor of the foot. 



