189 
1861., 
1862.. 
1863.. 
1864.. 
1865.. 
Missouri ■ • *' p ... , iC 
George CM - — ^ 
SCIENTIFIC DEPARTMENT. 
-Monthly Mean of Temperature, Fahrenheit. 
JANUARY. 
6 A .h. 
1 9a.m. 
»«. 
a,„. 
9 P. M 
M r 
1861 r 
26.9 
29.5 
35.3 
37.4 
33.5 
30.8 
32.2 
1862 
27.1 
27.8 
30.1 
30.7 
29.5 
28.5 
1863 
31.9 
34.0 
39.4 
41.2 
36.1 
1864 
22.6 
25.2 
32.6 
35.1 
31*5 
28.0 
29.2 
1865.... 
21.9 
24.2 
31.5 
33.1 
30.2 
27.9 
28.1 
1866 
27.0 
29.1 
34.8 
36.8 
33.8 
31.5 
32.2 
Mean 
26,2 
28.2 
33.9 
35.7 
32.8 
30.5 
31.2 
FEBRUARY. 
35.4 I 43.7 
27.0 33.6 
33.7 I 38.7 
34.4 I 42.2 
36.1. 41.7 
30.0 37.0 
39.7 
34.4 
40.4 
35*7 
1864. . 
1865.. 
1866.. 
1864.. 
1865.. 
1866* ■ 
-Monthly Mean of Relative Humidity . 
JANUARY. 
9 a. m. 12 m. 3 p. m. 6 p. M. 
94.1 
87.1 
78.5 
75.0 
65.9 
94.1 
79.0 
86.2 
85.2 
79.3 
75.4 
73.7 
74.6 
81.1 70.2 68.3 77.6 
FEBRUARY. 
72.2 
79.3 
70.8 
72.2 
85.3 
81.7 
75.6 
74.6 
75.1 
73.9 
81.7 
62.7 
72.0 
70.6 
70.2 76.9 70.7 
Errata. In the last No. of Journal, on page 70, line 6, for the word 
'destination ” read declination. 
Ig^_ 
01 23 4 56789 10 Missouri 
Botanical 
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