[ *74 3 
ceived on the Extremities of fome of the Branches, 
are a new Proof of this Conjecture. The Stone hap- 
pening afterwards to loofen itfelf, may have occa- 
sioned to the Patient all thofc Symptoms that befel 
him at laft, and afterwards Death itfelf. This Opinion 
may appear extraordinary to able Lithotomifts, and I 
willingly fubmit it to their better Underftaning. 
Salieiiy Surgeon, 
VI. Sir Hans Sloane, Bart. Fr. R. S. his 
Anfwer to the Marquis de Caumont s 
Letter , concerning this Stone j tranjlated 
from the Latin hy Tho. Stack, M. Z). F. R. S. 
My LOR<D, 
I Am extremely obliged for the Favour of your 
Lordfhip’s Letter, and the inclofed Figure and Ac- 
count of a Stone taken out of the Bladder ; which is 
fo Angular, that among fome Hundreds of thofe in 
my Pofleffion, I have not any that comes near it. 
Once indeed I had under my Care a Gentleman be- 
tween fixty and feventy Years of Age, who had extra- 
ordinary Difficulties in making W ater, and an Incom- 
veniency even beyond that ; which was, that he could 
not fit in an ordinary Chair without fuffering ex- 
tremely in the Region of the c Peritemeum. With the 
Help of lenient foft Medicines and Waters, he voided 
by the Urethra a Stone, which was flat in the Middle, 
and fmooth, but had five Points, refem.bling the Rowel 
of 
