C 
large Basket, and let down with more Caution j but 
when he came to the fame Stratum, finding his Breath 
going, (as he express'd it) he cried out, and was drawn 
up again ; but remain'd in the open Air, for the Space 
of near half an Hour, pale as dead, panting and 
fpeechlefs. 
The dead Bodies were, within three Hours Space- 
drawn up by the Help of a fort of Tongs, ufed to 
fetch Things up from the Bottom of the Sea; but 
brought fuch a difagreeable Stench in their Cloaths 
with them, as made feveral hardy Men, who affifted l 
in doing of it, vomit* 
The next Day a Cat was let down, and at the fame 
Place feiz’d with Convulfions ; but being drawn: 
quickly up again, foon came to herfelf 5 which Expe- 
riment was repeated feveral times for fome Weeks 
following, by which it was found, that this deftruc- 
tive Vapour was fometimes of a greater and fome- 
times lefler Force, and fometimes quite gone, fo that - 
the Cat felt no Uneafinefs j and a lighted Candle, 
which would fometimes be immediately extinguififd 
as foon as it funk below this* deadly Stratum , would 
burn clearly at the very Bottom. 
It was very remarkable, that there was a whitifii 
Fog in the Well, fo thick that one could but juft fee 
the dead Bodies through it. 
Water being fcarcc in that Place, the Well was left 
open for about eight Months, in Hopes the Damp 
might at laft wholly leave it 5 but inftead of fo doing 
it became worfe 5 and not confining itfelf within its 
firft Bounds, it overflow'd at the Top, where, when 
the Air was moift, it appear'd like a thin white Fog; 
and when the Air was dry, could be perceiv'd like a 
warm 
