294 Eleventh Communication from Dr. Thornton. 
1. The operation of bark had been before tried; he had 
taken, he faid, gallons of it. 
2. When I firft faw him, the fore, and mufeles furround- 
ing it, were wholly infenfible; he did not feel a needle 
Piercing them, nor could he perceive even the corrofive ope=" 
ration of cauftic. 
3. After inhaling the vital air but a few days, fenfibility 
was reftored, as both Mr. M‘Kennon and Mr. Carpue wit= 
neffed. 
4. Haying cleanfed the wound, it would remain dry 5 but 
even whilft inhaling the vital air, the whole furface was im= 
mediately covered with a fine dew, as Dr. Monro and others. 
witnefled. 
5. To fhew the progrefs of amendment whilft inhaling 
the fuperoxygenated air, I am happy to be able to Jay before 
the philofophic world the following teftimony of an impartial 
obferver, Dr. Douglas of Baliol-College, Oxford : 
“© Towards the middle of March 1798, I firft faw Mr. 
M‘Kennon. He had then a large and very foul ulcer, ex- 
‘tending fome inches above the right ancle. From that time 
to the prefent (April 30) I have repeatedly feen him, and 
each time could not poffibly fail to be fenfible of a mof? manifeft 
improvement. At prefent the ulcer is diminifhed at leaft ones 
balf in fixe fince I firft Jaw him; the edges have a fine healthy 
appearance, and its general furface is aftoniflingly altered 
for the better,” 
6. When the oxygen air was left off, the fore remained 
ftationary, and vifibly improved when he again refumed it. - 
7. My ftrongeft arcument, however, is the fuccefs in this 
and in other cafes equally defperate. . 
Mr, Munt had been before cured of a fore leg of eighteen 
years ftanding. 
Mr. ‘Kéieadd was cured of a fore leg of two years. When 
I afked Mr. Cruikfhank whether it was true he had con- 
demned the leg? he anfwered, with his ufual emphafis, “ I 
not only condemned his leg, but his life; for he was of fo 
wafhy a conftitution that he could not have loft the one 
without the other.” 
Next the cure of Patterfon. When T fent him to: fhew 
9 hig 
