VII. Part of a Letter from Dr J. Wallace, F. RS. 
to the Publijher^ concerning a Stone cut out 
of the B lad Jery having hair in it, &c. 
I Am forry I can: give fo ill an account of 
thefe things you wrote of to me : For that 
of Sir. William Elliofs piffing Hair at feveral 
times , I had from Sir Archihalcl Stevenfon and 
J)r Pitcaim^ his Phyficians ^ and after his death I did 
^ fee with the Doftor at the Lady ElUofs Lx)dgings in 
'Edinburgh the Stone that Was taken out of his Bladder, 
which was about the bignefs of a Goofe Egg ^ the 
:Stotie was hard and heavy, and for the moft part co- 
vered over with a Scurf, not unlike the Lime-morter of 
Walls, and in the chinks of the Scurf there were fome 
Hairs grown out. Twas thought the other Hairs he 
!5ifsy in his life time, whkli were a great many, and 
bme of an extraordiuary length, did grow out of that 
Stone, becaufe when the Hairs would hang out at his 
Peuif; as tbey did frequently^ to his great torment, 
^ they were oblig'd to pull them out, which was always 
with that refiftance as if pluck'd out by the root. ^ This 
is all I can now remember ^ but Dr Pitcairn^ if you'll 
pleafe to write to him, will no doubt give you a full 
account of the matter. It was too from the Dodor I 
had the difcovery of the Cheat of thefe Stones that an 
account was fent you of,and which you publifti'd in the 
Phil. Tran. N. 242. p. 264. The particulars of that (lory 
