zoo Analyft^ of the Air. 
Oyfterjhell and Milk generated a little air: 
But Limon juice and Alilk did at the fame 
time abforb a little air 5 as did alfo Calves 
Rennet and Vinegar , fome of the fame Rennet 
alone generated a little air, and reforbed it 
again the following day. It had the fame 
cffed when mixed with crums of bread. 
Experiment LXXXIV. 
A cubick inch of Limon juice^ and near 
an equal quantity of fpirits of Harts-horn^ 
per fcy i. e, not made with Lime, did in 4. 
hours abforb 3 or 4 cubick inches of air ; 
and the following day it remitted or ge- 
nerated two cubick inches of air : The third 
day turning from very warm to cold, it a- 
gain reforbed that air, and continued in an 
abforbing ftate for a day or two. 
That there is great plenty of air incor-^ 
porared into the fubflance of Vegetables^ 
which by the adion of fermentation is rouzed 
into an elaftick ftate, is evident by thefc foi- 
lowing Experiments, viz,. 
Experiment LXXXV. 
March the 2d, I poured into the bolt- 
head b (Fig. 34.) forty two cubick inches 
of 
