2994 DOVE ON THE NON-PERIODIC VARIATIONS IN THE 
Dresden (Celsius), 1812-1826, and 1827-1837. 
| | |S | | | — | | | | 
Mean |— 1:65|0°72 | 4:40 | 9°78 | 14-62 18-43] 19°71] 18°52) 14°59) 10-02) 3:80 | 0°94 
London (Fahrenheit), 1787-1838. 
49:40! 43:15 | 41-20 
39°15 | 38°35 | 45°35 | 45-90) 52°65) 62:15 64°50) 61°17) 55°75 
45°5 as 37:3 
347 |36°6 |37°1 | 41:3 | 46-4 | 52:4 |55°6 
1836. 
551 
51:7 
Paris (Celsius), 1806-1838. 
1836.| 2°6 29 87 86 |12°4 | 18:4 |19°4 | 18-9 | 14:1 {11-2 
6:67 | 10-02) 14°70) 16-85] 18°79) 18°36) 15-61) 11-47 
76 41 
6°70 |3:97 | 1¢ 
Mean|]1:92 | 4:48 
Petersburg (Reaumur), 1822-1836. 
1836.|— 7:50|— 4°38) 1°21 
Mean |— 7:67|— 5°92)/— 2°89 
4:78} 6°34| 10-97 
2°30 | 7°34 | 12°42 
14:18} ] 2°96 | 8°58 
Reikiavig (Reaumur) 1823-1837. 
7:73 
8:47 
4:17 |— 0°72|— 4:19 
1836.|— 2°86|— 4:84|— 3-07 
Mean| 0:04/— 1:55|— 0-50 
—1:17 
2°21 
5°17 
5°34 
10°19} 6°59 
10°08} 8:92 
4-62 
6°28 
0°52 |— 2:12/— 3:10 
2-59 |— 0°37} — 0°53 
Stromness (Fahrenheit), 1828-1834. 
47-77 
48°89 
41°39 
43°90 
1836.| 39°14| 37:46 | 39-64 52°03 
545] 
52°51] 51-83 
56°63) 55°57 
48:35 sion 40:93| 38:57 
Mean} 38°36} 39:07 | 41°23 
53°09| 49°65, 43°03 | 41°29 
Stuttgard (Reaumur), 1828-1837. 
6°68 
7°48 
9°12 
11-80 
1836. |— 0°72| 0:19 | 7-11 14:2 | 15°23) 15-25) 10-76) 8°55 | 3:87 
2°14 
Mean |— 1°51} 1:02 | 4:18 13°76) 15°56) 14°11} 11-03) 7°52 | 3-52 | 0°91 
From the above observations we see that the temperature of 
the month of March in 1836 was, at Reikiavig, — 3:07, at 
Stromness 3°38, at Boston 4°75, at London 5:93, at Paris 6°96, 
at Stuttgard 7°11, at Dresden 7°64, and at Petersburg 1°17 ; but, 
by merely comparing these numbers with one another, we can- 
