Lerrs & Buaxe— The Carbonic Anhydride of the Atmosphere. 135 
Serres 7.—(Atk). 
Determinations of carbonic anhydride in air collected in the grounds of 
Queen’s College, Belfast. Weather fine, but gusty. 
No. of | Baryta en Carbonic | Capacity | Parts of CO, | Differences 
paces vcadeg || eect Maan Wel eee le eereeme | em 
1 50 c.c. | 42°25 c¢.c.| 0°775 c.c. | 2589 c.c. 3°052 — 0-121 
2 sel Boon ZOO 55 |) OS300 55 | Bas 5, 3°139 — 0°034 
3 ee as AYO) 55 || Orgs oo || Wee o. 3°081 ~— 0:092 
4 Bate AOSCO yy | O985) 2892 ee 3°238 + 0:060 
5 ae se 40°25 ,, | 0°975 ,, | 2960 ,,. 3°293 + 0°120 
6 Rae 41°55 ,, | 0°845 ,, | 2606 ,, 3°242 + 0:069 
Mean | = 3°171 
[Series 8.—(Arr). 
