[ 2i S ] 



51. After having taken out as 

 muck air as was wanted for the 

 trial, the jars were placed in the 

 garden in a fine fun-fhine, and 

 the air of them was again exa- 

 mined between ten and eleven. 

 The air of the lime-tree occu- 

 pied - - - 1.08 

 the air of the walnut-tree 1.07^ 



vine tVo-5| 



* oak 1.12^ 



willow 1.07 



After which they were again ex- 

 pofed to the fun till three in the 

 afternoon, and their air examined. 

 The air of the lime-tree occu- 

 pied - - - - 1.06 

 the air of the walnut 1.05 



; ■ vine i«°5t 



— — oak 1 . 1 2 ~ 



» » « 1 ■ ' ■■ ■ — willow 1.07 



P 4 So 



