C 59 3 
the Tumour as opened : In both the Artift has fo far 
iraployed his Care and Skill, as well in preferving 
the juft Dimenfions as in the Colours and ‘Appear- 
ances, that I am left only to wilh, that in the Defcri- 
ption, which I have made, my Pen had not fallen ihort 
of his Pencih 1 am, with the greateft Refped, 
SIR, 
Tour mofi obliged 
humble Servant, 
Jcr. PeircCa 
V. An Experiment concerning tloe Spirit of 
Coals, leingpart of a Letter to the Hotj, Rob. 
BoylCyEfq^yfrom the late Rev, John Clay ton^ 
2). 2). communicated hy the Right Rev- 
Father in God Robert Lord Bijhop of 
Corke to the Right Hon- John Earl of 
Egmont, F- R. S. 
H Aving feen a Ditch within two Miles 
from Wigan in Lancajlme, wherein the 
Water would feemingly burn like Brandy, the Flame 
of which was fo fierce, that feveral Strangers have 
boiled Eggs over it j the People thereabouts indeed 
affirm, that about 30 Years ago it would have boiled 
a Piece of Beef 5 and that whereas much Rain for- 
merly made it burn much fiercer, now after Rain it 
would fcarce burn , at all. It was after a long-con- 
H 2 tinned 
