t 254 ] 



what effect they would have uporl 

 the fame air in the fun. 



106. For this purpofe I let up 

 again two otince-meafures of the 

 fame inflammable air in the jar 

 Containing the walnut-leaves Exp. 

 104 ; and placed it in the fun be* 

 tween two and five o' clock 5 when 

 I found the bulk of the air increafed 

 to p but very little corrected^ for 

 one meafure of it with one of ni* 

 trous air occupied 1.89. See, in 

 Exp. 107, the reafon why thefe 

 leaves failed to correct this air. 



107. 1 alfo let up two ounce-mea* 

 fures of the fame inflammable air in 

 the j ar containing the Perficaria urens 

 Exp. 105; and placed it in the fun 

 between two and fix; when I found 

 the bulk of the air increafed ~, and 

 fo much mended, that one meafure 



of 



