[ 3* 8 ] 
it that fuch Shells and other Bodies are found unpe- 
trified in Marble, Lime-Stone, Rock, Marl, or any 
other Stone ? The Right Reverend Dr. Robert Clayton > 
Bifhop of Clogher , hath (hewn me in his Colle&ion 
a Piece of Italian Marble,, where petrified Shells are 
feen, and others no way petrified, but that may be 
crumbled to Dull with the Fingers. I have a Stone 
(which I found lately in the River Lijjy at Chapel- 
Izod) of the Lapis vermicularis Kind, the Surface 
whereof, on one Side, is cover’d with a Number of 
fmall petrified Worms or Plants,* Part of which, 
(licking and continuous to the ftony ones, are ftiil 
foft and flexible. 
To return to the Lough-Neagh Petrifications 5 I 
received laft Summer, 1745. from my worthy and 
ingenious Friend the Reverend Mr. Richard Barton, 
about 30 of thefe Stones, found on the Shores of 
the^ Lake, lome in the Water, forne in the Mud, 
fome in the Sand, and others in a yellowifli Clay. 
That they were petrified in the Lake is probable, but 
whether in the Water, Mud, Sand, or Clay, is no 
matter; for certain it is (to ufe Mr. Smyth’s own 
Words), that they were not brought hither from any 
Difiance, fuch as 2, 4, 6, 8 Miles, after being dug 
out of the Ground, and then thrown and difperfed 
on the Shores of the Lake: And befides, the Differ- 
ence in the Colour of thefe Stones, thofe found in 
the Lake, and thofe found in the Ground fomewhat 
difiant from it, is fuch that they cannot well be mif- 
taken one for the other. Thofe found in the 
Ground are white, and of a loofer Texture; thofe 
found in or on the Shores of the Lake are black, 
clofer, and heavier. That thefe laft were petrified 
by 
