C 85 ] 
Foam, with a dreadful Roaring, and frighted them To 
far as to imagine themfelves loft, though it did not 
dire&ly beat upon them, but felt it on one Side only j 
which made them imagine fome violent Mifchance at 
Shore ; and keeping their Eyes always on that trou- 
bled Part of the Sea, perceived it made towards 
Leghorn , and broke on the old Fortrefs, which for 
a little while was hid from them. The Captain of 
a Ship, who came to this Port, fays, that he faw, to 
his great Surprize, a few Miles diftant from Capo 
CorJbj feveral Streams running with great Imperu- 
oftty different ways, and fo very rough, that although 
he had a very fair Wind, he expected every Moment 
to be loft. This muft have happened juft before the 
Earthquake of the 19th of 'January above-men- 
tioned. 
From the 20th to Twenty-three Hours of the 25th 
of January , the Ground was in a continual Agita- 
tion : I fufpedted it might be my foolifh Apprehen- 
fions: I asked every onel faw, but every body agreed 
there was fome little Matter. To allure myfelf of 
the Truth, I put Water in a Bafon, and put it on a 
Plain, obferving it every time I thought I felt any 
thing, and faw it move: I continued this Obferva- 
tion till the 26th of January , and at Twenty-three 
Hours on the 25th Day, there was a much greater 
Motion than that of the 20th Day ; and from that 
Hour until Eighteen Hours Three-quarters on the 
27th Day, there was not the lead Motion perceptible : 
Upon this I hoped the Evil was paft, and comforted 
myfelf with thinking that Matter fpent to which the 
Philofophers attribute this horrid Lhrenomenon ; but 
found myfelf miftaken, for when I leaft expected it, 
L 2 and 
