48 



A horse, therefore, labouring under this com- 

 plaint, cannot be considered as sound. 



THOROUGH PINS 



Consist of a swelling and relaxation in the 

 ligamentary part of the hough. They are 

 manifested by small puffy swellings, about the 

 size of a walnut, both on the inside and outside 

 of the hough. When pressed, the swelling yields 

 to the fingers, but returns again as soon as the 

 pressure is removed. It seldom occasions lame- 

 ness, except it be accompanied with inflamma- 

 tion. It is, however, a pretty certain indication 

 of the horse having been hard worked. 



WINDGALLS 



Are of the same nature as thoroughpins, with 

 this difference, that they are seated on the 

 pastern joint, instead of the hough. 



They occasion lameness when in an inflamed 

 state, but in other respects cannot be deemed 

 a cause of unsoundness, since there are very few 

 horses at six years of age without them. They 

 are brought on by labour, and are probably 

 rendered much worse by the horse being obliged 

 to stand up hill in the stall of the stable ; in 



