[ I ] 
PHILOSOPHICAL 
T R-A N S A C T I O N S. 
I. Rema?'h upon the Nature of the Soil of 
Naples, and its N eighh our hood ; in a Letter 
from the Honourable William Hamilton, 
His Majefys Envoy Extraordinary at 
Naples, to Mathew Maty, M. Z). Sec. 
R.S. 
S I R, 
Naples, 0 £ 1 :. i6, 1770% 
Read Jan. 10. 17. 24. A CCORDING to your defire, 
JTjL 1^ ^1™^ i*^ fending you 
fuch further remarks as I have been making with 
fome diligence, for fix years pafl, in the compafs of 
twenty miles or more, round this capital. By accom- 
panying thefe remarks with a map of the country I 
defcribe, and with the fpecimens of different mat- 
ters that compofe the moft remarkable fpots of it, 
VoL. LXI. B Ido 
