eer. 
in a veffel full of the fame water, 
and placed upon the fire. As foon 
as the water grew warm, the leaves 
were covered with air bubbles, juft 
as inthe fun. After the water had 
boiled a little while, it was put by 
to cool. A great deal of air was 
obtained, which proved to be fo bad 
as to extinguifh flame. 
Some of the fame leaves were put 
into a jar, inverted in a pot full of 
water, and only placed near the fire: 
a great deal of air was obtained, but 
as poifonous as the former. _ 
SEC- 
