[ss 4 
fire was very bad, and that obtained 
in the fun was dephlogifticated air. 
A jar full of walnut tree leaves 
was placed under the fhade of other 
plants, and near a wall, fo that no 
rays of the fui could reach ite “It 
{tood there the whole day, fo that 
the water in the jar had_ received 
there about the fame degree of 
~ warmth as the furrounding air (the 
thermometer being then at 76°)3 
the air obtained was worfe than com+ 
mon aif, whereas the air obtained 
from other jars kept in the fun 
fhine during fuch a little time that 
the water had by no means received 
a degree of warmth approaching 
that of the atmofphere, was fine de* 
phlogifticated air. 
ND dephlogiiticated air is. te j 
tained in a warm room, if the fun a 
does not fhine upon the jar contain- 
ing the leaves. : 
