CAST'S OF WOUNDS OF THF. JOINTS. 
333 
pus which it contained; but, to my great astonishment, no fluid 
followed the incision. On introducing my finger into the open¬ 
ing, I drew out a clot as large as a walnut, of a yellow citron 
colour, and which I immediately recognized as coagulated 
synovia. Dress with digestive ointment. 
From July the 27 th to August the 3d .—He has been dressed 
daily with the simple digestive ; at every dressing a clot of syno¬ 
via has been found ; the bandages were wet with the discharge. 
A probe, directed towards the articulation of the pastern with 
the coffin bone, touched an osseous surface. 
From August the 3d to the 13 th .—The wound was dressed in 
the same manner; the lips were engorged, and much fungus 
sprung from them, which was kept down by the calcined alum. 
On the Wth, I covered with alum a small piece of lint, rolled 
into a hard pledget, which I introduced into the fistula, in order 
to dilate it. 
On the following day, on inserting a probe to the bottom of 
the wound, I felt that a portion of the bone was movable; but I 
was unable to extract it. 
13 th .—I opened the fistula from below upwards, and after 
introducing a pair of small forceps several times, I drew out a 
flattened splinter, rough at its edges, and presenting, at one of 
its extremities, a glistening portion, slightly convex, which I re¬ 
garded as a fragment of the inferior articular surface of the pas¬ 
tern bone. I introduced into the fistula a pledget covered with 
digestive ointment, and dressed the wound with the same. 
23 d .—The wound producing no more splinters, and the dis¬ 
charge of synovia being the same, I employed the same com¬ 
pression that l had done in the former case; contenting myself, 
as to any thing else, with repressing fungous excrescence by 
means of the caustic. 
Sep* 10 th *—The synovial discharge, now reduced to one quarter 
of what it was, ceased altogether at the end of this month. 
The little wound which we found behind the tumour did not 
heal until that into the joint was closed. I regarded it as the 
result of a blow with a fork, and which had reached the joint. 
This wound being diminished, and, as it were, closed at the 
bottom by the first intention, could not give passage to the 
synovia, which then accumulated in front of it. 
I saw the animal six months afterwards; the principal wound 
had been replaced by a horny excrescence, situated on a little 
rising scarcely perceptible. Although the lateral cartilage of 
the foot had been denuded at its superior border, and had even 
been reached by the caustic, it had not become carious; the 
lameness had ceased ten days after the opening of the tumour, 
VOL. vi t. x x 
