AS TO SOUNDNESS. 97 
has been sufficient to cool the parts, and the engine is 
fit to be started once more. By constant hard work, 
by-and-bye the time comes when he finds that he also 
‘has to apply cold water to reduce the heat; and this he 
does by means of bandages dipped in cold water applied 
through the night. After atime these means fail, and 
thickness occurs in various places; and it is only then 
.that work is stopped altogether, which ought to have 
‘been done at the very time when cold water bandages, 
had to be resorted to. — 
‘At ‘the present time it remains to: decide how much 
“evidence of over-work of these parts, in the form of 
‘distended synovial membranes, glorying in the name 
of “wind gall,” “thoropin,” according to their situa- 
tion, may we overlook, and still consider the horse 
‘sound. We are told that these are more a sign of over- 
“work than of unsoundness. What is meant by this I never 
knew. There may be no local impediment to move- 
‘ment ; but if movement cannot bé repeated a reasonable 
“number of times without heat and swelling of the parts, 
"necessitating sedative means, surely the machine is un- 
sound. You may, and very frequently, have oedema of 
the areolar tissue’ of the legs (filled legs), and feat with 
this; but then the swelling is not confined to one or two 
localities, but evenly spread over the whole of the leg 
“down to the top of the hoof and gs on pressure. Then, 
again, you may have this oedema plus distended synovial 
»Sheaths ; and when such is the case a little exercise will 
take down the “ filled legs,” and leave you free to judge 
; 7 
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