169 s 
In addition to heredity as a factor in the causation of this disease, it has been 
noticed that horses with straight upright pastern bones are more likely to 
contract ring-bone. | 
In cases of ring-bone, it is often impossible to do very much to alleviate 
the lameness ; but it is advisable to fire deeply in the first instance, and 
then blister smartly with ointment of biniodide of mercury, with the object 
of promoting the absorption of the deposit, or of causing cessation of the 
inflammation. ; ; 
Neurotomy has been recommended for chronic cases of ring-bone ; but 
we have not much faith in its value, although in some instances it is said to 
hhave proved successful. 
