FRACTUKES. 



255 



Fractures of the Hock. — Injuries of the astragalus have been 

 recorded which had a fatal termination. Fractures of the os calcis 

 have also been observed, but never with a favorable prognosis, and 

 attempts to induce recovery have, as might have been anticipated, 

 proved futile. 



Fractures of the Cannon Bones. — "Whether these occur in the 

 fore or hind legs they appear either in the body or near their ex- 

 tremities. If in the body, as a rule the three metacarpal or meta- 

 tarsal are also affected, and the fracture is generally transverse 

 and oblique, and often compound, one of the segments protruding 

 sharply through the skin. Having only the skin for a covering the 

 diagnosis is easy. There is no displacement, but excessive mo- 



f'lQ. 279.— Splint and Dressing for Fractured Cannon i3one. 



