360 Dr. ingenhousz on the Salubrity 
worfe; for at that time one meafure of common and one 
of nitrous air occupied 1 o a. 
The next day, October 23, it being rainy weather, the 
ftate of the atmofphere was the fame in the morning as 
it was the day before in the afternoon : for one meafure 
of common and one of nitrous air occupied 102; and 
the refult of Abbe Fontana’s method was as follows, 
184', 2 1 1, 307, fo that the quantity of both airs de- 
ftroyed amounted to 193. 
Gdtober the 24th, I again examined the ftate of the 
atmofphere at nine o’clock in the morning, the weather 
being ferene ; I found it reftored to its former goodnefs ; 
for one meafure of common and one of nitrous air occu- 
pied 100, or exadtly one meafure; and the refult of 
Abbe Fontana’s method was 184, 207, 304. Atfeven 
o’clock in the evening of the fame day the air was again 
grown worfe; for one meafure of common and one of 
nitrous air occupied 103. 
October 25th, I examined the air at eleven o’clock in 
the morning, the fky being cloudy, and found, that one 
meafure of common and one of nitrous air occupied 
1 02. I put it again to the teft at eleven o’clock at night, 
and found, from five different trials, that one meafure of 
it with one of nitrous air occupied 105. 
3 
October 
