.[ 62 3 
which lad will appear, Sir, I believe, to- the judicious, 
much the harder and lefs tenable fuppofition of tlie 
two. 
Here then was a great fubfidpnee; the land be- 
twixt Sampfon and Trelcaw funk at lead iixteen feet, 
at a moderate computation. This fublidence mud 
have been follow’d by a fudden inundation and this 
inundation is likely not only to have dedroy’d a great 
part of the inhabitants, but to have terrified others 
who furvived, and had wherewithal to fupport them- 
felves elfewhere, into a total defertion of their fhat- 
ter’d idands. By this means, as I imagine, that con- 
fiderable people, who were the aborigines, and car- 
ried on the tin-trade with the Phenicians, Greeks, 
and Romans, were reduced to the lad: gafp. The 
few poor remains of this defolation, by their necefiary 
attention to food and raiment, mud foon have lod 
fight of their antient profperity ; (for trade will pro- 
duce plenty, and plenty rightly ufed will make peo- 
ple happy) and the faint remembrance, that was left 
of what the Hands had been before, expired of itfelf, 
in an age or two, through the indigence of the in- 
habitants. 
§ 5. That fuch an inundation has happen’d here, 
is dill more plain, becaufe thefe idands are no longer, 
what they were antiently, fertile in tin ; nor are there 
any remains of fuch and fo many antient workings as 
could maintain a trade, fo greedily coveted by fome 
of the antients, and fo indudrioudy concealed by 
others. 
There are no mines to be feen in any of thefe 
idands, but only on one load (fo we call our tin 
veins) in Trefcaw idand, and the workings here are 
very 
