278 Messrs. Allen and Pefys on the Changes produced in 
tongue still 98°. ; the same gentle glow and perspiration was 
felt as in the other experiments on oxygen ; a portion of the 
gas was saved from each of the mercurial gasometers, and 
their amounts were as under : 
No. 
1. 
- 
- 
196 
2. 
- 
- 
228 
3 
- 
- 
284 
4 - 
- 
- 
294 
5 - 
- 
- 
248 
6 . 
- 
280 
7 - 
- 
- 
238 
8. 
- 
- 
272 
9' 
- 
- 
230 
10. 
- 
- 
S04 
11. 
- 
223 
12. 
P 
223 
3060 
No. 1. tried by itself, contained in 100 parts, 
9 carbonic acid, 
22 azote, 
69 oxygen, 
100 
No. 12, the last, contained in 100 parts, 
12 carbonic acid, 
5 azote, 
83 oxygen. 
.100 
