[fo J 
green, and that that fubftance which 
Dr. Prieftley difcovered to yield 
fo much dephlogifticated air is of 
the fame colour; I had fome fufpi- 
cion, that green fruits, fuch as beans, 
would alfo yield dephlogifticated air. 
I placed, for this purpofe, fome 
French beans in a jar full of pump 
water, and expofed it to a bright 
fun-fhine during four hours, and 
obtained a moderate quantity of air, 
cozing out of their fubftance by 
bubbles, in the fame manner as 
out of leaves. This air was far 
from being dephlogifticated air; for. 
it was even worfe than common air, 
though it ms gguine. 20 pretty near it 
in goodnets. 
. I then wanted to fee what effect 
thefe green fruits would have upon 
a body of air in the dark; and I 
was. not a little furprized’ to find, 
aS I that 
