[-- 196} 
aay of 25. Air of the fame, gathered in 
aie a warm fun-fhine between three 
and five, 1.943 1.793 1.633 
40ol 2.023 2.99. 
—SPCcttON* il, 
Experiments tending to invefiigale 
at what time of the day planis 
yield the heft depblogifiicated air. 
26. THREE jars, each containing 
~~ a gallon, were filled with pump- 
water, and two handfuls of willow 
leaves put in each; they were all 
expofed at eleven o’ clock near one 
= another i in a fair fun-fhine. 
The 
