I - 



I - 



Plate XVII. — Os Suffraginis and Os Corona 



1. Anterior surface of large metacarpal bone. 



2. Inferior articular surface of ditto. 3. Rougli- 

 ened area for attactiment of lateral ligament of 

 fetlock. 4. Anterior surface of suffraginis. 5 and 

 7. Areas for attachment of lateral ligaments of 

 pastern. 6. Anterior surface of corona. 8. Area 

 for attachment of lateral ligaments of pedal joint. 

 9. Inferior articular surface of corona;. 



The OS suffraginis showing exostoses (so-called 

 false ringbones) at the attachments of the 

 lateral ligaments of {i)the fetlock, and (2) the 

 pastern. 



