t 
414 Messrs . Allen and Pepys on Respiration. 
As the air after the experiment had experienced no alteration 
of volume, and as it contained the same proportion of azote as 
atmospheric air, this substance had remained unaltered. But 
1 5>5° cubic inches of oxygen had been converted into car- 
bonic acid gas. 
100 : 5 : : 310 : 15,50. 
Bar. 
s°° 
Therm. 
43 
o 
Summary of the Experiment. 
Atmos, air Gas after Cub. inches 1 
Inspired, experiment, of carb. acid. 0 car . ,aci 
r r per minute. 
310 310 15,5 ,62 
Time. 
25 min. 
Experiment II. Atmospheric Air. 
The experiment was repeated in exactly the same manner ; 
the animal, except from confinement, appeared much at his 
ease all the time. The air after the experiment contained in 
100 parts 
5,5 carbonic acid 
*5>5 oxygen 
7 9 azote 
100 
here the proportions of azote were undisturbed, and 17,05 
cubic inches of carbonic acid procured 
100 : 5,5 : : :31c : : 17,05 
Summary of the Experiment. 
U Atmos, air Air after Carb. acid Carb. acid 
Har. 1 erm. j nS pi rec j. Experiment. found. per minute. 
29,66 38°. 310 . 310 17,05 ,68 25 min. 
Experiment III. Atmospheric Air. 
The apparatus being arranged as before, we kept the pig 
in the glass A for one hour, and during that time passed 1000 
