ON LAMENESS. «& 



BONE SPAVIN 



Takes place on the upper end of the bone 

 of the hind leg, adjoining the lower and inside 

 part of the hough, where it forms a round bony 

 excrescence. Vide plate 8, Jig, 6, I. F. 



The hough is more frequently the seat of 

 lameness, than any other part of the hind leg ; 

 and young horses, whose houghs stand oblique- 

 ly, which is commonly termed cow-houghed 

 {Vide pi. ^,fig. 1) are particularly subject to this 

 complaint. It is produced generally by some 

 partial exertion in the hough bringing on in- 

 flammation and a deposition of bony matter. 



The lower part of the joint of the hough is 

 composed of several small bones, which, though 

 they are exactly fitted to each other, and occu- 

 py one common cavity, yet possess a distinct 

 separate motion indepeadent of each other. 



The 



