I. A Letter from Mr. James Yonge, F. R, S. 
t& Dr, Hans Sloane, S. Sec. concerning a 
(Bunch of Hair yoided by Urine. ^ 
Plethorick Woman about Fifty Years old , 
that ufed often lo be afRifted with Nephii- 
tick Pains, employ’d me to relieve her the Nineth of 
Mciy laff. I found by the Purulency and Stench of 
her Urine, that (he had not only Stones and Gra- 
vel, but an Ulcer in one or both her Kidneys 5 and 
therefore gave her a Dofe of Cantharides with Cam- 
p/me made into Pills, and follow’d it with plen- 
tiful Draughts of a flippery Emulfion. This made 
her pifs on abundance of blackidi Gravel, and v hite 
thick Matter like Bird-Lime, without* any Pain or 
ill Symptoms, and (he continued eafie for a Week, 
then her Pains returned, and went off by the fame 
Remedy. About Eighteen Days afterwards her Pain 
feeming to threaten a return, I repeated the Medi- 
cine i but that Night it gave her very great Pain 
in the fide of her Belly, and at laft threw her in- 
to Convulfions, which went off upon the Difcharge 
of Urine, of a great deal of Matter, and in it a 
Bunch of (hort Hair alraofl: rotten : For fome time 
after (he ufed a Nephritick Courfe, which hath 
hitherto preferved her from the Return of Pain, Mat- 
ter, Stones, and Impediment of Urine. 
I here- 
