-[ *as2 j 
cy of The teft of the common air was 
=e at that time, by Abbé Fontana’s 
173: method, 1,963 .ma5 5 3.26 
See alfo Experiments 40 and 4f. 
== ‘SBeTION 1X. 
Disherinnents frewing that and 
Sinking, and potfonous plants yield 
by day-time as good depblogifiicated 
Gir as any others. 
61 A plant of Hyofcyamus was 
expofed in the ordinary way in 2 
jar full of water in the fun-fhine, 
from twelve till five o’clock; a great 
deal of fine dephlogifticated air was 
- obtained, in which the flame of 4 
_ Wax-taper was very brilliant. One 
7 '  meafure 
