( 49 1 ) 
The neighbouring Country is chiefly a ftrongClay^ 
'the Quarries produce a very hard Stone, which feeins 
to be a Compofition of Shells clofely cemented and 
embody’d together, and fome Marchafites which abound 
- with Sulphur: In finking deep Pits they throw up 
Stones like Iron Oar, and covered with a fhining me- 
tallick Subftance and Terpentine Stones, and the 
plough’d Fields abound with Stones refembling Shells 
of the Efcallop and Cockle Kind, ftriated with fome 
Aftroites, which are all ftrong Alkalies, and with 
Aqua-fortis, or Spirit of Nitre, raife a violent Ebul- 
lition. 
VI. dn ExtraCl of a Letter of Signior Michele 
Pinelli, concerning the Caufes of the Gout . 
Tranflated from the Italian by Joh. James 
Scheutzer, M. D. F. (^. 5. and Coll. Med . 
Lond. Lie • 
I N Order to acquire a competent Knowledge of the 
various Diftempers incident to the human Body, 
particularly fuch, whofe Caufes being not very well 
known, their Cures alfo have been found hitherto 
very difficult, it is abfolutely neceffary, that by the 
concurrent Affiftance of Reafon and Experience, we 
(hould make an accurate Inquiry into the Principles of 
which it is compofed* 
With this general View, but more particularly in 
Order to difeover the Nature and Caufe of the Gout, 
U u u x I have ■ 
