[49 ] 
XV. An Account of thofe malignant Fevers^ 
that raged at Rouen, at the End of the 
Year 1753, and the Beginning of 1754. 
■ By Monf Le Cat, M, D, Profejfor of 
Anatomy and Chirurgery at Rouen, F, R. 
Member of the Royal Academy of Sciences 
at Paris, and perpetual Secretary of that at 
Rouen. 
Read Feb. 20, and A BOUT the end of November 
March ,1755. 1753 ? ^ malignant diftemper 
broke out in this city ; the ravages of which conti- 
nued during the fubfeqnent months of December, 
January, and part of February. 
I was induced, by the noife it occafioned through- 
out Europe, to treat of it in a particular manner. 
In order to which, I fliall give a hiifory not only 
of this laft epidemical difeafe, but alfo of that of 
the preceding years, to which it is nearly related. 
The medical gentlemen, who have pracHfed in 
this city from the beginning of the prefent century, 
have affured us, that, for the laft thirty years, this 
country has been more fubjedt to malignant fevers 
than it had ever been before ; and that the greateft 
part of them have been accompanied with miliary 
eruptions. I fliould be tempted to fix this epocha in 
1723, and 1724, becaufe the firft of thefe years was 
exceftively dry, the rain at Paris amounring to no 
more than feven inches eight lines, (whilft the mean 
year comes to nineteen), and the year 1724 had only 
VoL. 49. H twelve: 
