[ 402 ] 
the fides and roof, but all the lhafts remained intirc, 
without the Icaft difcompofure. 
The fpace of ground at the aforefaid mines, where- 
in it was felt, was 960 yards, which was all that was 
at that time in workmanfhip. 
LETTER. II. 
An Account of the Earthquake at Lilbon Nov. i. 
1755, in Two Letters from Mr. Wolfall, burgeon, 
to James Parfons, M. D, F. R, S. 
Dear Sir, Llfbon, Nov. 18, 1755. 
Read Dec. A S I'ome years ago I had the pleafure 
‘ 75 S- of occafionally meeting you at Dr. 
Hill’s houfe, 1 venture to take the liberty of fending 
you an account of the terrible earthquake, which' 
has fo lately deftroyed this city. If you have any 
* This city fufFered greatly by an earthquake in 1531, thus 
deferibed by Paulus Jovius. Hift. L. 29. fol. 180. Nec rnulto poft 
fequenti menfe Januario, par prope exitii clades Lufitanis in ipfis 
proculdubiovifceribus terrae furente debacchantequeiEoloillata eft, 
cujus impetu urbs Ulyllipo in primis incomparabilc detrimentum 
fenfit, & poft eana coloniam, Sandlaearenae & Azumbugerae, Al- 
merinique urbium publica privataque aedificia, inulitato terrae motu 
conquaflata profeiflaque magnam vim mortalium ruinis opprefsere, 
& nonnulla etiam navigia turbulento inflati maris hiatu abforpta 
funt, ficut Tagus infanis allidentis maris flueftibus repulfus, difee- 
dentibus in utranque ripam fuis undis ficca in medio vada obftu- 
pentibus cun£tis oftenderet, nemoque jam tota prope Lufitania 
te<ftis fuis confideret, fubfultante fcilicet folo, ideoque non cito de- 
ftturam terrae motus vim ita praemonftrante, ut regis & reginae ex- 
emplum fequuti univerfi fere incolae tabernacula apertis in Jocis ca- 
ftrenft in more erigere cogerentur j neque in his tamen foluti metu 
pernoifarent, quum repentinum aliquem terrae hiatum, quo abfor- 
beri poflent, non temere extimefeendum arbitrarentur. 
Other 
