es eee Pe fy ee Se eee as 
ie = 
{ 8 ] 
SE:0.T 10:3] <kik 
Some remarks on the green matter 
which fettles at the bottom and 
fides of the jars in which water is 
left flanding. 
THIS green matter, which feems 
to be of the vegetable kind, was 
firft found by the Rev. Dr. Jasscct 
to yield very pure dephlogifticated air: 
but it ceafes at laft to yield more air 
if the water of the jar is not re- 
newed, which ought therefore to 
be done now and then. 
It is wonderful that this matter — sc 
feems to be never exhaufted of < 
yielding Se ay thous 
it has no free comm ca’ 
the common atmof here, fr 
