186 



VETERINARY MEDICINE AND SURGERY. 



lump upon the lower part of the back of the hock, Avliich may easily 

 be mistaken for bone. (Fig. 91.) As the disease progresses, this nodule 

 increases in size, and lameness appears, sometimes, and particularly in 

 young horses, of a severe character. 



Treatment. — Rest. Apply a high-heeled shoe, and to stimulate ab- 



FiG. 93. Fig. 93. 



Bones of the hock joint. The hock and its lesions. 



1. Astragalus. A. Seat of thorough-pin. 



2. Cuneiform magnum. B. Capped hock. 



3. Cuneiform medium. C. Curb. 



4. Cuneiform parvum. 



5. Cuboid. 



6. Os calcis. 



7. Tibia. 



8. Great metatarsal, or cannon or shank 



bone. 



9. Inner small metatarsal. 



sorption of the excrescence, apply repeatedly a blister of biniodide of 

 mercury: 



Biniodide of mercury 31. 



Lard 5 viij. 



Firing may be tried if the lameness is persistent and the inflammation 

 has subsided. 



