Analyfis of the Air . 20 j 
Half a cubick inch of Qyejlerfhett and 
Sevil Orange juice generated the firft day 
1 3 cubick inches of air, and the following 
days it reforbed that, and three or four 
more cubick inches of air, and would feme- 
times generate again* It was the fame with 
Limon juice* 
Oyfterjhell and Milk generated a little air : 
But Limon juice and Milk did at the fame 
time abforb a little air $ as did alfo Calves 
Rennet and Vinegar 5 fome of the fame Ren- 
net alone generated a little air, and reforbed 
it again the following day. It had the fame 
effed when mixed with crums of bread. 
Experiment LXXXIV. 
A cubick inch of Limon juice , and near 
an equal quantity of fpirits of Harts-horn y 
per fe, i.e. not made with Lime, did in 4 
hours abforb 3 or 4 cubick inches of air 3 
and the following day it remitted or gene- 
rated 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- 
porated into the fubftance of Vegetables , 
which by the adion of fermentation is 
rouzed 
