known to tlie Romans. 
The landj within ■whicb^’j^^jjii^ 
mines were worked, must now be sunk, and 
neatli the sea. On the shifting of the sands 
islands, walls and ruins are frequently seen ; iba 
of level, since these walls, or fences, were made- 
vent the encroachments of the sf-i hpmsr esl .'f 
sea, being 
» 
have been a subsidence of the land, followed b/^^ [,if 
inundation. This, indeed, seems to be confim>^^^j,g f_ 
dition, tliere being a strong persuasion in the "'es 
of Cornwall, tliat there formerly existed a 
between the Land's-end and the islands of SciH> - 
many fathoms under water. Although there a 
positive evidences of such an ancient connexion u. . 
the main land and tliese islands, still it is extm 
bablc, that the cause of tlie inundation which d‘^*_|,'j|t' 
ff:! 
greater part of them, may have reached the Cord' ],i? 
there being several proofs of a subsidence or 
of 
Mount’s Bay. The jjiiiicipal anchoring plaCCj '' jfiJ, 
called a lake, is now a haven, or open harbonr 
mount, from its Cornish name, signifying 
a wood, must have formerly stood in a wood 
at full tide half a mile in the sea. , fi;! 
Examples of a similar kind, relative to 
county, might be multiplied. One of tbenr^^tY 
able inundations to bo met with in history, 
happened in the reign of Henry I. and which 
the estates of Earl Goodwin, forming tlie banb^ 
Goodwin Sands. In the year 1546, a similar y i,f 
- - - ■ - - lO • 
the sea destroyed a hundred thousand persons .j[ 
tory of Dort, in tlie United Provinces j and a s*' j I' 
number round Dollart. In Friezland and 
Zf'O, 
than three hundred villages were overwhelmed 
remains are stiU visible, on a clear day, at tb® ' 
the water. The Baltic Sea has, by slow 
a large part of Pomerania ; and, among t 
whelmed the famous port of Viiieta. I'he 
has formed several little islands from the 
still daily advances on the continent. The i-'f 
has advanced on the shores of Holland, near - 
mans, formerly built on tliat coast, are noW t'’' 
a degree, that the ruins of an ancient citadel 
