: oP Y 
«which oozes out of the leaves, and 
that thus lefs air is gathered at the 
‘top of the bottle... This conjecture 
= ‘will perhaps find more ground from 
___. the following experiment. I placed 
fome leaves of a: vine. in, water, 
a. -which I had, for this experiment, 
=< reonate 
in 
ed with, fixed air :- they 
e under the farface of 
wat eae they were all covered 
with: air bubbles; which feems to 
me to depend partly upon this water 
réefufing to abforbe any air iffuing 
from the leaves, becaufe it was ale 
ready overcharged with air. itfclf. 
-]t is true that any other body, 
plunged in water impregnated with 
fixed ‘air, will alfo become covered 
wi th air bubbles; but thefe bubbles 
“do not appear fo foon, or increafe fo 
rapidly, as thofe of the living leaves. 
sho that it feems, that the bubiblexof 
