8 Mr. orred’s Account of the Jawing off 
him, either to amputate the arm at the difeafed joint, or, 
with a view of making it of fome ufe to him, endeavour 
to faw off the head of the affected bone only. As the 
leaft of two evils he chofe the laft ; though this indeed is 
a moil painful, hazardous operation. We are indebted 
to Mr. white, of Manchefter, for the mode of this ope- 
ration, as well as for many other valuable hints and dil- 
coveries in furgery. In order to allow the arm as much 
aCtion as poffible after the operation, I began my incifion 
a little above the joint, and continued it in a right line 
directly through the middle of the flefhy portions of the 
deltoides , and a little lower than its infertion : then ele- 
vating the arm to relax the mufcle, an affiftant with both 
hands diftended the upper part of the opening made by 
the incifion, whilft, with a narrow knife, I endeavoured, 
by the direction of the fore-finger of the left hand, care- 
fully to divide the capfular ligament. This was effected 
with very great difficulty, as from preceding inflamma- 
tion it was much thickened, and adhered clofely to the 
joint: and till it was feparated nearly round (for the 
under, and moft dangerous part to cut through, was cor- 
roded with matter) I found my utmoft efforts to throw 
the head of the bone out of its focket quite ineffectual. 
After a fufficient reparation I made the diflocation, by 
preffing the elbow to the body with one hand, and with 
the 
