: tot J 
meafures of nitrous air 1.92; by 
A. Fontana’s method it gave 1.90, 
1.96, 2.95; and thus it did appear 
by thefe trials to furpafs far in good- 
nefs the common air; and yet it 
exploded at the flame of a candle 
with an uncommon loud report. 
Se€ experiments 110 and 111. 
_ There remained {till one experi- 
ment to be tried with this alr, VB. 
to put a living animal in it. I: ‘was 
forry to have fpent the moft part 
of this air, fo as not to have enough 
of it left for this trial. ‘However, 
I was refolved to puth the experi- 
ment farther, and to let the inflam- 
mable air ftand a longer while up- 
on the plants, before it was to be. 
employed for the different trials, 
and principally before an animal 
fhould be ie in it. _ Some aie 
H 3 in 
