C 41* 3 
a'bove the greateft fpring- tides two ipawns, or fifteen 
Englifti feet. This phsenomenon happened three 
days before the new moon, and the earthquake, 
when the high tide had run up three parts of it. 
ExtraB 0/ L E T T E R V. 
From Mr. J. Latham, dated at Zfufqueira, Dec, ri, 
1755, to his Uncle in London. Communicated by 
Peter Daval, Secret. R. S. 
Read Jan 
1756. 
» 5 > 
P 
S I R, 
Erhaps you may have heard of the 
difmal calamity, that befel the city 
of Lifbon, by an earthquake and fire, which laid 
the whole city in ruin. I was on the river on Satur- 
day the ift of November, with one of my cufiomers, 
going to a village three miles off. In a quarter of an 
hour the boat made a noife as if on the lliore or 
landing, thoiigh then in. the middle of the water. 
I afked my companion, if he knew what was the 
matter? He flared at mej and, looking at Lifbon, 
we faw the houfes falling, which made him fay, God 
blefs us^ it is im earthquake. About four or five mi- 
nutes after, the boat made a noife as before, which was 
another fliake. We faw the houfes tumble down on 
both fides of the river. In Lifbon, a convent on a 
high hill fronting the river, the mofi; part oT it 
came down, a great many were killed, and buried in 
the ruins 5 many tumbled neck and heels in the wa- 
ter, others ran down to the river, up to their middle 
and necks. A ftrong northerly wind blew from 
fhore, which covered the water with duft, and in 
G g g 2 our 
