.SPECIAL PARTS AND THEIR DISEASES 4 1 



In a horse required for slow work, it is 

 not necessarily a serious drawback, but its 

 presence, of course, should call for a reduc- 

 tion of the market value of the horse. 



A bog spavin may be a puffy condition of 

 the hock joint. 



Melanosis. 



This disease is denoted by the formation 

 of pigmented tumours in various parts of 

 the body, either internally or externally. 

 Evidence of such is frequently found beneath 

 the tail. 



Roaringf. 



This is a very common symptom of disease 

 in connection with the respiratory organs. 



