a 6o Dr. Watt on the Ufe of Symbols. 
If it were poftible to prove, that any traces of 
fuch an opinion as this fubfifted at the time 
when the Alchemical doftrines began to be pre¬ 
valent, we fhould not be at a lofs to determine, 
whyTin was honoured with the fymbol of Jupiter. 
But on this point, I have no other fupport than 
mere conjefture, which I fubmit, with the reft of 
the Differtation, to the candour of the Society, 
hoping they will not mark with the feverity of 
critical accuracy or cenfure, my endeavours to 
deferve the honour of becoming one of their 
members. Before I conclude, allow me to 
mention, that in the above differtation, though 
I might frequently have drawn my llluftrations 
from°the Greek authors, I have principally con¬ 
fined myfelf to the Roman, and thofe the moft 
common and familiar, as fuppofing thefe were 
moft likely to be known, if any were known, 
to the Alchemical authors, who firft transferred 
to the metals the ancient aftronomical charafters 
of the planets. 
I am, dear Sir, 
« With great Refpeft, 
Your fincere Friend 
and obedient Servant, 
M. WALL. 
Remarks 
