f 243 -.J - 
{mall number of bubbles fettled 
upon the under fide of the leaves, — 
but very few upon the upper fur- 
face. The jar was placed in the 
open air during about: five hours, | 
the weather being cloudy. A fimall 
quantity of air was obtained, which 
was worfe than common air. 
97. I impregnated fome water 
drawn out of a well with fixed air 
eatisses Noots goptrivance, or by the 
_ glafs apparatus fold at Mr pater & : 
1 put ea jese or a vine in; 
full of this water ;. as foon o ‘they 
were under water, they were all 
covered mot beautifully with — 
‘bubbles. After ftanding -about 
five hours in the carden i in a cloudy 
day, fome air was obtained, w hich 
proved alfo, by the nitrous teit, to 
be worfe than common. air, the 
_greateft part of it being ; abforbed 
R 2 ro BY 
