[ 646 ] 
meridian, to leave the obfervation in its original form, 
fuch reduction being eafily made. 
. ‘ 
I am, Sir, 
Your very humble, and. 
obedient fervant, 
Samuel Dunn. 
Cheifea, Ocl. 17. 1762. Lat. 5° 29 5! Long. 41 time W. of Greenwich. 
C V. Extraft of a Letter from W. Watfon, 
M. D. F. R . S. to John Huxham, M. D. 
F. R. S. containing fome Re?narks upon the 
Catarrhal Diforder , which was very fre- 
quent at London and in its Neighbourhood 
in May 1762. and upon the Dyfentery , 
which prevailed the following Autumn. 
London 9th Dec. 1762. 
Read Dec. 23, XN the beginning of May, there was 
I76z * A at London and in its neighbourhood 
a difeafe, very epidemic, though not fatal, which 
had fometime before been very prevalent both in 
Italy and Germany. It continued during the courfe 
of the month, and fome part of June. In it the 
bread was very much affedted, and it was very fre- 
quently attended with a fever. It is nearly the fame 
difeafe which was at London in April and May 1743, 
