C ai8 ] 



9& m ' { 5 4. A handful of Perji • carta urens, 



«*»«*£ water pepper, was kept in a green 



troyed. bottle, and expofed to the open air 



from the evening till next day at 



ten o' clock, when the air collected 



from it was found of the following 



S26 tell, 1.90; 1.86; 2.78; 3.74. 



55. Two handfuls of leaves of 

 Lauro-c era/us were put in a jar full 

 of water, and expofed to the open 

 air during 24 hours ; a good quan- 

 tity of dephlogifticated air was ob- 

 tained, whofe teft was 1.78; 1 . 6 1 ; 

 306 2.02 : 2.97 ; 3.94. 



SEC- 



