HOW TO BUY AND SELL. 45 



more than just that the seller's responsibility should end 

 with delivery; in at least so far that it becomes your duty 

 after acceptance, should the defect appear, to prove that 

 the disease or tendency thereto existed prior to delivery 

 or date of warranty. 



BOG SPAVIN. 



Bog spavin is a windgall on the inside front of the hock 

 joint. After it is once formed, and all heat and inflam- 

 mation are gone, it is rarely of any consequence. 



Where it does not interfere with the horse's action, and 

 he has done the ordinary work of horses of his class for 

 the required time since it formed, without extra rest, or 

 inconvenience, then is he SOUND. 



STRING HALT. 



This disease may be at once detected by the awkward 

 catch of the leg affected, the action of this leg being much 

 higher than the others, and drawn up by a jerk. It is 

 seldom seen in both hind legs. The collapse of the mus- 

 cle, which is by some persons supposed to be the cause of 

 this peculiar action, is occasioned by the interior of the 

 muscle having been formed into a kind of cyst or bag by 

 an abscess which, having discharged the pus," leaves the 

 interior of the muscle open. It is frequently supposed 

 to arise from inflammation of the nerve; while others 

 say it is an excess of energy without disease; if the latter 

 is the case, and the horse experiences no pain, or weak- 

 ness, or anything to prevent it from working as well as 

 ever, he is SOUND. 



This defect should, however, always be mentioned by 

 the vendor. 



But supposing others to be right who conjecture that 



