C *<s 3 



an inverted jar full of water above it, 

 to receive the air. A great deal of it 

 was inftantly obtained, which proved 

 to be nearly as good as common air. 



I fqueezed, in the fame way, 

 forne air out of leaves of fage, fal- 

 viaj which proved to be fomewhat 

 worfe than the former. 



A potatoe plant was fhook under 

 water ? fo as not to hurt it : a good 

 deal of air was immediately difen- 

 gaged, which, by the nitrous tefr, 

 proved to he worfe than common, 

 air. 



A plant of lamium album was 

 treated in the fame way, and in like 

 manner a good deal of air was ob- 

 tained, which was nearly of the 

 farae quality with the former. 



Some leaves of an apple tree were 

 put in a cylindrical jar full of pump 

 water. The jar was then inverted 



hi 



