HORSES. 



49 



Antero-internal viE\r of Exostosis 



CONSTITUTING SPAVIN. 



1. Os scaphoides. 



2. Os cuneiforme parvum. 



3. Morbid growth of bone, constituting the disease 



known as bone spavin. 



4 Large metatarsal or cannon bone. 



Internal View of Tarsal Bones. 

 2 Inferior extremity of the tibia. 



a. Internal malleolus. 



b. External mallaolus. 



3. Os calsis. 



4 and 5. Surfaces of articulation on the astraga- 

 lus, which, together with corresponding 

 ones on the tibia, form the great hinge 

 joint of the skeleton. 



b. Tubercle on the astragalus for the 

 attachment of ligaments. 



6. Os scaphoides. 



7. — cuneiforme magnum. 



8. — cuneiforme parvum. 



9. Large metatarsal bone. 



10 Internal small metatarsal bone. 



