[ ] 
capable of making them to fuch a Degree of Per- 
fedlioii as was formerly defpaired of. 
April 5. 17 3 9* 
IX. Extra5i of a Letter from the Henry 
Temple, Efq^ to his Father the Right 
Hon^‘^ the Lord Vifcount Palme rfton, con~ 
cerning an Earthquake at Naples *, commu^ 
mcated to the Royal Society Claudius 
Amyand, F. R. S. and Sergeant Sur^ 
geon to His Majesty. 
Naples^ Dec. 12. N.S. 1732. 
I They tell me, the laft Earthquake here 
1 has made a great Crack in the Side of 
Mount p^efuvius, above 30 Yards long. I am not 
fare if this be true or not, though I think it very 
pollible j but I made another Obfervation upon if, 
which I think much more extraordinary ; which is, 
that the fecond Shock, which was a very flight one, 
had a great Eifedt upon the Nerves : 1 and all the 
Company where I was, as foon as the Shock was 
over, were feized with a Shaking, juft as if we all 
had the Palfy, our Teeth chattering in our Heads to 
fuch a degree, that we could hardly fpeak ; and I find, 
that half the Town felt the fame Effedl from it. It 
would be natural to imagine, that this Shaking was 
caufed by the Fright, but it is eafy to prove the con- 
trary j bccaufe, in the firft place, the firft Shock, 
which was much more terrifying, had not that Effcd : 
Secondly, 
