DISEASES OF THE BONES, JOINTS, AND TEETH 



205 



stands for a time and cools off and is then driven again, the lame- 

 ness becomes much aggravated. An exostosis makes its appear- 

 ance at the seat of the inflammation. No indication of the severity 



*.-¥ 



Fig. ,59. — The left metatar.sal and lower row ol tarsal bones showing 

 a massive bone spavin. Complete ankylosis has occurred between all the 

 bones. 



of the spavin can be had from tiie size of the enlargement, which 

 may be out of all proportion to the lameness. The toe of the shoe 

 of a spavined horse is worn away to an appreciable extent. When 



