{ 991 J 
[ 91 J 
Tur Amount or Carsonic ANHYDRIDE IN THE ATMOSPHERE. 
Oe Observer. Locality. 
_ Girtanner, - _ 
_ Fourcroy, . 3 = 
1797 Humboldt, . Paris (and elsewhere), 
1802 Dalton, .- S Manchester, ? . 3 
1812 Thenard, . Near Paris, . o 
1809-1815 | De Saussure, - | Geneva, . 
#1827 oe ee Nv amtte ne 
1828 + es . ear 
1829 aS See ee Ps: 
1830 Ae, 2 
1832 Watson, . Bolton, - 6 S 
p 7 Country near Bolton, 
1839-1840 | Boussingault. . Alsace, . : ° 
1840-1841 < Paris, - 
1840 Verver, - - Groningen, 
$1847 Lewy, o Atlantic, . 3 : 
| 55 ) Havre, . : 0 
\ ” o 4 . Paris, a: 
: I 
1848 9) ° = . | New Granada (normal air), 
” ” 3 3 3 7) 7 (abnormal air), 
1850 7H e 3 - | Bogota (normal air), 
- os 5, (abnormal air), 
1848 A. & H. Schlagintweit, | Alps, : 5 5 
1851 A. Schlagintweit - | Berlin, . 3 : o 
9 “#) 3 . | Monte Rosa, . . . 
2) sp ” ° . | St. Jean de Gressoney, 
” a) _ 2 . | Zermatt, 3 : O 
” ” 7 3 . | Bédemié, : 
1848-1850 | Marchand, . 5 - | Halle (Saxony), 5 
1857 y.Gilm, . 6 . | Innsbruck, 6 
1859-1860 | Frankland,. 6 . | London, . 6 o 
1861 on - | Mont Blanc (summit), 
” os) a . Chamounix, - 
” ” } . Grand Mulets, 
1860 De Luna, . 5 Madrid (inside walls), - 
” 1. 5 5 5, (outside walls), . 
1864 ? Roscoe, 5 London and Manchester, - 
1864 Angus Smith, - London, - 
” ” ” Manchester (suburbs), 
No. | CO,in10,oo0yls.of Air.) Variation. 
oe Authority. 
vations. Mean. | Maxm.| Minm, | Abs9- cana 
— | 600 _— — — | Gehlers. Phys. Worterb. 
= 1 7 — —_ — | vy. Arnim. 
_ — | 200 100 =— — | Fourcroy. 
9 _ 150 180 50 _ _ y. Arnim, 
1 6°83 — = — | Dalton. 
7 1 3:97 — _ — | Thenard, 
6 5:96 | 7-79] 4:57} 8:22} 70 | De Saussure. 
23 | 6:06] 5-78] 3:58] 2:20] 61 | ,,  ,, 
63 | 4:47| 5:74] 3:20] 254] 79 | ,, ,, 
101 | 4:03] 5:35] 3:15| 2:20] 70} ,, ,, 
2 3°73 | 3°76] 3-71] 0:05 1 ” ” 
19 5°30 | 8:62] 4:20] 4:42 | 106 Watson. 
12 4:13] 4:74] 3:61] 1:13] 31 7 
19 3°65 | 4:94] 2-57! 2:37 92 | Boussingault. 
142 | 4:00] 6:66] 2-16] 4:50 | 208 Es 
90 | 4:20] 5:10] 3-50| 1:60] 46 - 
| 11 | 4°63] 5:77} 3:34] 2-43) 73 | Lewy. 
3 3°59) 3°60} 3-57} 0:03 1 ” 
3 6-14} 6°23] 5-10] 0-13 2 ny 7 
£ 1 as 
. . 8 4:01} 4:99] 3-07] 1:92] 62 ay 
. . | 11 | 7-28] 24-47] 3:07] 21-40] 697 Hs 
. 14 4-90} 7:65] 3°61] 4:04] 112 op 
.  . | 22 | 11:39} 49-04] 3-61 | 45-43 /1259 % | 
s | 447] 5-80] 3-20] 2-60) 81 | A. & H. Schlagintweit. | 
3 4:22] 4:63] 3:90] 0°63] 16 A. Schlagintweit. | 
10 | 7:88| 9:51] 5:94] 367] 60 | ,, $ 
1 4:97) — = — — ” ” 
1 4:80; — = = = ” » 
1 4:75| — = = = ” ” 
150 3°10| — = — — | Marchand. 
= 4:15] 4:60] 3-80] 0:80] 21 Ebermayer & v. Fodor. 
P 10 8-65] 11:00) 4:20] 6:80} 162 Frankland. 
1 6-1 = = = = ” 
, 1 || 6:3 || — |) — | — | = » 
so Gal = = = = » 
12 62 | 8:00] 3:00| 5:00] 166 | Angus Smith. 
a 12 | 4:5 | 9-00) 2-00} 7-00} 350 a - 
S 161 3:95) || — — _ — | Thorpe. 
o 23 3-41] 4:28] 2°80} 1:48] 63 Angus Smith. 
MS : 14 3°69 | 4°67] 2-91] 1:76] 60 ” ” 
* Compiled from the Tables given in De Saussure’s original paper in the “‘ Annales de Chimie.” 
+ Compiled from Lewy’s Tables in the ‘‘ Annales de Chimie.” 
