RINGBONE. 



249 



articular cartilages of tlie affected joints intact ; or to rlieumatoid 



arthritis (p. 267). Fig. 117 shows a case of ringbone from fracture. 



Tliese bony deposits are usually confined to the front and side.s 



Fig. 88. 

 Bony deposit 



on long 

 pastern bone. 



Fig. go. 

 Bony deposit 



on short 

 pastern bone. 



Fig. 89. 



Long pastern bone 



free from 



bony deposit. 



Fig. 91. 



Short pastern bone 



free from 



bony deposit. 



Fig. 92. 



Extensive bony deposit uniting long 



and short pastern bones. 



of the bones, and have a tendency to surround these parts. If 

 they extend to the back of the joints, they will give rise to in- 

 tractable lameness. As a rule, they are probably due to com- 



