2 o 8 Anatyfis of the Air. 
very hot weather 5 after which they were 
ftationary, neither reforbing nor generating 
air in many days. 
Avery coar (e Brown fugar, with an equal 
quantity of water, generated nine times its 
bulk of air 5 Rice-flower fix times its bulk; 
Sciirvy-grafs leaves generated and abforbed 
air s Peafe, Wheat and Barley did in Fermen- 
tation alfo generate great quantities of air. 
That this air, which arifes in fuch great 
quantities from fermenting and difiblving 
vegetables is true permanent air, is certain, 
by its continuing in the fame expanded e- 
laftick date for many weeks and months 5 
which expanding watry vapours will not do, 
but foon condenfe when cool. And that 
this new generated air is elaftical is plain, 
not only by its dilating and contra&ing with 
heat and cold, as common air does, but 
alfo by its being comprefllble, in proportion 
to the incumbent weight, as appears by the 
two following Experiments, which fhew 
what the great force of thefe aerial particles 
is, at the inftant they efcape from the fer- 
meriting vegetables. 
