which gives the Name to the Tumor, either Steatoma , 
Atheroma , or Melicerk. 
Thus pour Oyl of Olive on Spirit of Nitre, and your 
Oyl firft becomes a little hardned, then of the Colour 
and Confidence of Marrow, till by degrees it is hard- 
ned into a white Fat, refembling that of Animals. 
The Pofiibility of this Colliquation and Digeftion, 
we may the eafier be induc’d to believe, if we confider 
how often we find the Glands of the Vifcera petrified, 
without any degree of Pain, or the Membrane in any 
Meafure deftroy’d : The Truth of which, every one 
that hath been converfant with the Diffettion of Morbid 
Bodies, rauft have feen. 
XXXVI. An Extrafi of a Letter from Francis 
Nevill, Effc to the Lord Btfrop of Clogher, 
F. R. S. concerning a Quarry of Marble difco^er d 
by him in the County of Farmanagh in Ire- 
land. 
R. Cole and I were lately in the Mountains, 
where I had difcovered a Marble Quarry. The 
Country wherein it lyes is fo ftrange for the Natural 
Wonders in it, that ’twould make a little Hiftory to 
defcribe all that is to be feen. It lies on the North- 
fide of Calcagh , in the Parifii Kilafher, and County of 
Fermanagh . There are Marble Rocks, whofe Perpendi- 
Belturbet i Offober 14 . 1712 . 
My Lords 
cular 
