[ ] 
took out of the Bladder a tough kind of Subftance, 
about as big as a fmall Fig, in which was a Pin with 
the Head on, and very black j the urinary Bladder, 
Pin, and vifcid Subftance,. (though now fomewhat 
wafted) are here preferv'd in Sp. Vin. R. The Cafe, 
in my Opinion, being very extraordinary, occafion’d 
my giving the above Account of it, which I declare 
to be Truth, having open'd the Child in the Prefence 
of feveral Spectators. Witnefs my Hand, 
Wm. Gregory. 
IV* A Letter from the Marquis de Cau- 
mont to Sir Hans Sloane, Bart. Trefident 
of the Royal Society, containing the De- 
fcription of a very extraordinary Stone 
or Calculus taken out of the Bladder of 
a Man after Death 3 tranflated from the 
French by T. M. D. F. R. S. 
30. 1732. 
Y OU have an indifputable Right to all the 
Wonders of Nature: They have, in fome 
manner, recourfe to your Tribunal: For where can 
they be examined with fuch Judgment > This is my 
Motive for communicating to you the Figure of an 
uncommon Stone found lately in the Bladder of a 
dead Body, which I had engraved in my own Pre- 
B b b 2 fence. 
SIR, 
Avignon, June 
