Guan 
tity 
Le tee F 
+. As this green matter is probably 
the woof the vegetable kind, I make no 
airs def- 
troy' ed. 
doubt but as good dephlogitticated 
air might be obtained from leaves 
of plants by fome way or other 
which I have not yet been lucky 
enough to hit upon. 
However pure this dephlogitfti- 
cated air may be, that which may 
be extracted from certain fubitances 
which do not. be long to. the vege- 
table kingdom is ftill fuperior to 
it, as is the air obtained from nitre 
and red precipitate. 
To give an exact account of the 
nature of thefe airs, I will place 
any 
here the refult of the firft menti- 
ae hoa a 
oned dephlogifticated air, drawn from 
- the green matter, produced by itfelf 
in the jar. The method of trying 
it was that of Abbé Fontana, 2.053’ 
2.013 1.933 1.8123 1.7223 167053 
ea0? 3-55. 4 aa 
The 
