[ X ] 
PHILOSOPHIC A L 
TRANSACTIONS, 
I , An Account of a fourney to Mount Etna, 
in a Letter from the Ho?iourahle William 
Hamilton, His Majefiy s Envoy Extra- 
ordinary at Naples, to Mathew Maty, 
M. D. Sec . R, S. 
S 1 Naples, O&. 17, 1769. 
Read , J !" 0 1 8 ’ I ? NCOURAGED by the afiurances 
r j you give me, in your laft obliging 
letter of the 15th of June, that any new commu- 
nication upon the fubjedt of volcano’s would be 
received with fatisfaction by the Royal Society, I 
venture to fend you the following account of my late 
obfervations upon Mount Etna, which you are at 
liberty to lay before our refpedtable Society, (hould 
you think it worth its notice. 
Vol, LX. B After 
