[ 70J ] 
inwardly, as prefcribed by Dr. Groenvelt , in Ulcers 
of the Bladder, and all other things we could think 
of. 
Sir Hans Sloane’s Answer to Mr. Powelh 
S I R, London , July 2 6 . 1 7 3 3 . 
I Received yours of the i<5th Two Days ftnce, to- 
gether with the Box, and Contents thereof; which 
I have confidered, and am fatisfied, that the hairy 
Excretions are generated moft likely in her Kidneys. 
I have feen, in my Practice, fome Inftances of the 
like, and have by me what was brought off by Urine 
from fome of them. The firft I remember, was from 
a Gentleman near the Exchange , who would fre- 
quently, Forty Years lince, void with his Urine long 
Hairs, which were received on white Paper ; and, the 
Urine palling off, would remain there, and, by their 
Tranfparency and Angles, yielded, on viewing by a 
Microfcope, the fineft Colours imaginable, fucli as 
we find by a Prifm. This Gentleman did not buffer 
much, though he complained of a Sharpnefs of Urine. 
The Perfon who was affedicd the moft, and applied 
to me for Help, was a Brewer, who had fuch Hairs 
matted or woven together, voided by Urine with 
' great Pain: But then there was no calculous Matter, 
or very little, added to them. It is very likely, that 
that Matter is added to thofe of your Patient in the 
Bladder, by being retained there. I have a Pin, that a 
young Woman had fvvallowed,and was afterwards taken 
Y y y y 2 out 
