Lerts & BhakE—The Carbonic Anhydride of the Atmosphere. 229 
The following are the results :— 
EXPERIMENTS WITH KNOWN VOLUMES oF CaRBONIC ANHYDRIDE. 
PErTENKOFER. 
E A EO) co : 
CO, CO, Absolute oe Capacity added in foundhin Error in 
No. | added at Gane of t f parts per 
INIo 28 125 Boeae erEoes eae receiver. ae ane ore 10,000 
c.cms. c.cms. c.cms. 
1 1°88 MOV + :29 +15 6541 2°87 373l + °44 
2 1°88 2°10 + °22 + 12 6750 2°78 . 38°40 + °82 
3 1-90 2°17 + 27 +14 6541 - 2-90 3°31 + °41 
4 1:90 2°10 + °20 +11 6760 2°81 3°10 + +29 
5 1°94 2°14 + °20 +10 6541 2°96 3°27 +31 
6 1:94 2°12 + :18 + 9-4 6760 2°87 3°13 + :26 
Lerrs anD BLAKE. 
1 1-90 1°89 -°01 — °$§ 5562 3°40 3°40 — :00 
2 1:90 1:91 +:01 + '5 5782 3°28 3°30 + °02 
3 1:94 1:93 -— 01 — °6 5562 3°48. 3°47 —-01 
4 1-94 1:92 — -02 —1:0 5782 3°30 3°32 — 03 
