( ) 
Moidurc, Motion, Reft; and Time, promote tlii? Prin- 
ciple, from the common Experiments of Chryftalliza- 
tion and Freezing even before the Fire, and in many 
Chymical Mixtures. Whence we cannot be ignorant 
of tone growing in the Quarries gradually, not by 
any fancied Vegetation, tho’ there is fomething like it 
in Corals, but generally by Appofition of Farts to 
Parts, as is notorious in the Fluors of fubterraneous 
Grotts and Caverns. So that we have no reafon to 
doubt but what was Clay, Sand, or Earth 5000 Years 
ago, may now be Stone or Marble, according to the 
Proportion of Concurrence of fuch mentioned Caufes. 
This will perfuade us that the now barren and rocky 
Plains of the Countries of Syri/t, India, and Arabia, 
are owing to Natural Caufes, as well as an immediate 
Curfe of God for the Difobedience of irs ancient Pof* 
feflbrs his peculiar People, becaufe the fame is obfer- 
vable of the famous Countries of Gretce and Africa, 
warm Regions fo renowned for Fertility in antient Au- 
thors. Wherefore there may be fome likely hood in 
the Opinion of thofe who think that in many Ages the 
whole Face of the Globe may become one great Rock. 
Dr. Plott, in his Natural Hiflory of Oxfordfldre, gives 
an Account of a Tumulus, now a perfedl Mount of Stone: 
and upon St. VincenPs Rock near Briftol are Fortifica- 
tions now become Folid Cliff I remember, about fix 
Years ago, Vix.. Ralph Widdrington, Brother to the Earl 
of that Name, Ihew’d me many human Bones taken 
from whole Sceletons, with Brittifh Beads, Chains, I- 
ron Rings, Brafs Bitts of Bridles, and the like, which 
were dug up in a Quarry, near the Seat of the Fami- 
ly, at Blanknej, Lincolnfhire ; which very probably was 
plain Mold when thefe old Corpfes of the Britons 
were interr d ; and fince then I faw many human Bones 
and Armour, with Roman Coins, Fibula^ dre, found in 
a Stone- 
