[ 45i ] 
what then ? I know, by Experience, that in the very 
Mines of Sulphur have perifhed fome of the Miners, 
but only by Suffocations caufed by fome fudden co- 
pious Exhalation of kindled Sulphur ; and never by 
having been burnt to Afhes. The Miners have in- 
formed me on the Spot, that thofe of them who 
perifhed, have been only choaked by a ftrong nitrous 
and fulphureous Effluvium $ but none of them by 
having been fet on Fire. 
The Author relates, That, going once out of Cu- 
riofity into a Sulphur-Mine by Mont efiaf cone, when 
near the Place from whence the Miners digg’d out 
the Sulphur, he was advifed by one of them, who 
was carrying out his Load, not to go farther ; for, 
either the Smell, or fome fudden Exhalation, might 
have done him great Injury; and when got again in the 
open - A ‘■-* 1 d him, a few Days before three of his Fel- 
low Mir :-a fell ftone-dead, while they were at Work,, 
by a violent Suffocation, caufed by a ftrong Exhala- 
tion of bituminous Smoke, which burft violently 
from the Place where they were digging ; which Mif- 
fortune was too frequent in fuch Mines ; but he 
never heard nor faw, that any of them had been 
burnt. 
Thence it is concluded, that if the Fulmina have 
fuch an Effed, the Incendium proceeds originally 
from their nitrous, and not from their fulphureous 
Parts 5 becaufe the Air, very clofely imprifon’d in the 
Nitre, and not in the Sulphur, either by its own 
Elafticity, or by fome other Agent being put in Agi- 
tation, produces the Flame of the Fulmen, which 
burns and confumes any thing to Afhes, 
