[ 95 J 
SECTION. XXIv.- 
The large. and the more perfed 
leaves yield more. and purer deph= 
logifticated air, than. thofe- ened : 
ie we? full SHCHM- : 
; NOTHING feems, to me amore 
convincing. proof that. the elabora- 
tion .of. dephlogifticated. air is an 
effect ofa kind of vital. motion in — 
the texture of the leaves, than. that 
young» leaves, not yet grown to 
their natural fize;: yield their. air- 
bubbles: flower..and Jefs. in bulk, 
and that the air yielded by full- 
grown leaves furpafles in purity 
that which is obtained from. leayes 
“Rot ag sah to paniottions, | 
