BLEMISHES ON THE HIND LEGS. 

 Fig. 12. 



TJiorough 2)in (a) is an escape of the synovial fluid 

 in the form of a swelling between the bones of the 

 hock joint, above or below the hock, running across, 

 and in front of the joint from side to side, but is 

 seldom attended by lameness. It resembles hog and 

 hloodspavin (e), which are located at the lower and 

 anterior part of the hock joint. Thej are frequently 

 found together, seldom causing lameness, but chiefly 

 weakness and stiffness of the hock joint. The horse 

 is able to perform ordinary work, bub is unfit for 

 hard and fast work, as the joint itself is affected. 



Capped Hock (b) is a swelling of the point of the 

 hock in the form of a soft fluctuant tumor, and is 

 produced through bruises by blows, or kicking in 

 harness, or in the stall, or, by lying on a thin bed or 

 on the bare floor. It is seldom accompanied by 

 lameness, is very unsightly though easily removed. 



Curh id) is an enlargement at the posterior side 

 of the hock, about four fingers below its point, 

 and is produced by sudden and violent action of the 

 limb. For instance, after an extraordinary leap, a 

 sharp gallop over heavy ground, or a severe and sud- 



