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DISLOCATION OF THE PATELLA. 
B. 14, brown mare, aged six, admitted with influenza. This 
mare during the period of convalescence was found to be suddenly 
lame of the near fore fetlock, which was acutely tender, and con¬ 
tinued so for three weeks. This mare recovered under soothing 
treatment. 
F. 25, brown mare, aged five, admitted with influenza. Whilst 
recovering from the attack, she was found to be extremely lame and 
tender of the near fore fetlock, and after a time the lameness as 
suddenly shifted into the off fore fetlock. This mare recovered 
under soothing treatment. 
Re-admitted March 6th. The near hind fetlock found to be 
much swelled, and very tender to the touch, as if she had a sprain 
in the back sinews; and the off fore leg also much swelled, and 
very tender along the course of the tendons. Now under treatment. 
An officer’s horse, attacked in a similar manner after influenza 
with lameness of the near fore fetlock. 
These cases are not by any means uncommon after a certain 
class of diseases. 
Dislocation of the Patella. 
F. 13, grey mare, aged five ; admitted May 5,1847, at evening 
stable hour, with dislocation of the patella (outwards) of the 
off hind-leg. She was discovered to be very stiff and unable to 
move across the stall, and, when the man endeavoured to make 
her do so, he found that she could not bend her leg, but that it 
was lifted, as it were, “ all of a pieceand, on attempting to move 
her forward, the mare knuckled over on the fetlock. I was not 
on the spot at the moment, but as those in charge were com¬ 
pletely puzzled with the case, the mare was, with the greatest 
difficulty, and by the assistance of many men, moved into a box, 
and soon afterwards I saw her. I found an evident dislocation of 
the patella outwards, the bone projecting on the outside of the 
joint, with an indentation in the front of the stifle joint. The leg 
was lifted forward, whilst at the same time I pressed on the 
outside of the patella very forcibly, and after a few trials it went 
into its place with a snap, and the mare w'as quite relieved. In 
the morning the mare was found to be affected precisely as she 
had been the previous evening, and was again relieved and went 
sound. With a view of preventing the dislocation, a shoe was 
applied which had a toe-piece projecting in front of the shoe 
about three inches, which made the mare stand with the leg more 
under the body, as when she got the leg behind her the patella 
more easily slipped off. She was then blistered strongly on 
the stifle joint, and this was afterwards repeated; and the mare 
