170 Analyfis of the Ah\ 
Experiment LV. 
As to n^egetahle Subjiarices, from half a 
cubick inch, or 1 3 5 grains of heart of Oak> 
frefli ait from the growing tree, was gene- 
rated 108 cubick inches of Air, /. e, a quan- 
tity equal to 216 times the bulk of the 
piece of Oak, its weight was above 30 grains? 
4 part of the weight of 1 3 5 grains of Oah 
I took a like quantity of thin (havings from 
the fame piece of Oak, and dryed them 
gently at fome diftance from a fire for 24 
hours, in which time 44 grains weight of 
moifture had evaporated ; which being de- 
duced from the 135 grains, there remains 91 
grains for the folid part of the Oak : Then 
the 30 grains of Air, will be f of the weight 
of the folid part of the Oak, 
Eleven days after this Air was made, I 
put a; live Sparrow into it, which died in« 
flantly. 
Experiment LVI. 
From 388 grains weight of Indian Wheats 
which grew in my garden, but was not 
come 
