64 WARRANTY OF 



joint, as there is always more or less weakness or 

 irritability resulting from old strains, the horse is 



UNSOUND. 



When the sinews of the hind leg, between the hock 

 and the pastern, become thickened, even if this 

 thickening vanishes when the horse takes exercise, 

 he must be held to be UNSOUND. 



If, on the contrary, such a thickening be the result 

 of a blow, appears callous, does not occasion incon- 

 venience, and does not decrease when the horse is 

 at exercise, the horse must, in that respect, be esteemed 



SOUND. 



Great care must, in such cases, be taken that he 

 do not kick, when in harness. 



Broken Wind. 



The disease, broken wind, is easily recognized by the 

 horse's peculiar suppressed cough when at exercise, 

 after a hearty meal, or upon being changed from one 

 kind of atmosphere to another, as, for instance, from 

 the stable air to a cold and foggy atmosphere, or vice 

 versa. . 



If you observe a horse thus afflicted, when he is 

 quiet, you may notice that the flank appears to distend 

 and contract twice while the ribs rise once. 



Immediately after brisk exercise this laboured 



