[ 34i ] 
LIV. A Letter from Monfeur Le Cat, M. D. 
firft Surgeon at the Hotel Dieu at Rouen, 
Royal Profejfor and Demonftrator of Ana- 
tomy and Surgery , Member of the Royal 
Academy of Surgery at Paris, and of the 
Academies of Sciences at Paris, London, 
Madrid, and Rouen, to Dr . Mortimer, 
Secretary of the Royal Society, concerning 
the DiJfeSlionof a Rupture . Tranjlated from 
the French by Tho. Stack, M. D. F.R . S. 
S I R, 
Read Jan. 23, 
1752. 
Rouen, June 1, 1750. N.S. 
I T is now about eleven years fince I had 
the honour of fending you an account 
of an incomplete hernia, the fixangulated part of 
which mortified, and by nature’s refources alone 
fuppurated, threw off the gangrened parts, and was 
converted into a fiftula : thro’ which fiftula, in pro- 
cefs of time, the two ends of the gut, that were near 
the ftrangulation, paffed, and fell into the groin, 
turning infide out, fo that the villous coat was on 
the outfide 3 which gave me an opportunity of 
making experiments on the effedt of purgatives. This 
obfervation, which I barely mention here, is printed 
in Phil. Tranf. N. 4,60, p. 716. 
When I fent. you thofe remarks, fir, on the fingular 
hernia of Catherine Guillematre, I had already made 
fome fruitlefs attempts to cure her, but had not then 
loft all hopes of fuccefs. I imagined, that a long 
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