MOTION OF GLACIERS DES BOIS AND BOSSONS. 
183 
which even a philosopher could not have invented, and which, it will be seen, are 
confirmed by data of quite another kind over which the observer could have no con- 
trol, I mean the Meteorological Registers of Geneva and St. Bernard. 
Table I. 
First Station on the Glacier des Bois, a little way below the Chapeau, and at about 
one-third of the breadth of the glacier from its eastern bank. 
Space moved over in 
English feet and inches. 
Daily 
motion. 
From 1844 
To 1844. 
feet. 
inches. 
inches. 
October . . 
2. 
1 0 A.M 
October .... 
14. 
9 a.m. 
32 
0 
32-0 
October . . 
14. 
9 A.M 
November . . 
2. 
8 A.M. 
43 
11 
27-8 
November. . 
2. 
8 A.M 
November . . 
19. 
4 P.M.* 
34 
11 
24-2 
November. . 
20. 
1 P.M 
December . . 
4. 
3 P.M. 
13 
10 
11-8 
1845. 
December . . 
4. 
3 P.M 
January .... 
7. 
3 P.M. 
32 
8 
11-5 
1845. 
January. . . . 
7. 
3 P.M 
February . . 
18. 
3 P.M. 
49 
2 
14-0 
February . . 
18. 
3 P.M 
March .... 
18. 
2 P.M. 
39 
10 
17-0 
March .... 
18. 
2 P.M 
April 
17. 
10 A.M. 
42 
1 
16-9 
April 
17. 
1 0 A.M 
May 
17. 
8 A.M. 
56 
3 
22-5 
May 
17. 
8 A.M 
May 
31. 
2 P.M. 
43 
11 
37-0 
May 
31. 
2 P.M 
June 
19. 
4 P.M. 
61 
11 
38-4 
June 
19. 
4 P.M 
July 
4. 
1 0 A.M. 
52 
0 
42-3 
July 
4. 
10 A.M 
July 
18. 
5 P.M. 
62 
0 
52-1 
July 
18. 
5 P.M 
August .... 
6. 
4 P.M. 
77 
6 
49-0 
August ... 
6. 
4 P.M 
October .... 
8. 
4 P.M. 
187 
8 
35-7 
October. . . . 
6. 
9 A.M. (?) 
November . . 
8. 
2 P.M. 
100 
9 
36-4 
November. . 
8. 
2 P.M 
November . . 
21. 
1 P.M. 
32 
6 
30-1 
Table II. 
Second Station, Glacier des Bois, near the lowest extremity, just behind the “ Cote 
du Piget.” 
Space moved over in 
English feet and inches. 
Daily 
motion. 
From 1844 
To 1845. 
feet. 
inches. 
inches. 
December . 
4. 
2 P.M. 
. . . . January . . . 
. 7. 
4 P.M. 
8 
6 
3-3 
1845. 
January. . . 
7. 
4 P.M. 
. . . . February . 
18. 
4 P.M. 
8 
11 
2-6 
February . 
18. 
4 P.M. 
. . . . March . . . 
. 18. 
3 P.M. 
7 
0 
3-0 
March . . . 
18. 
3 P.M. 
. . . . April 
17. 
1 1 A.M. 
li 
7 
4-6 
April 
17. 
11 A.M. 
. . . . May 
17- 
9 A.M. 
18 
4 
7-3 
May 
17- 
9 A.M. 
. . . . May 
31. 
1 P.M. 
10 
5 
8-8 
May 
31. 
1 P.M. 
. . . . June 
. 19. 
2 P.M. 
13 
3 
8-3 
June 
19- 
2 P.M. 
.... July 
4. 
9 A.M. 
14 
1 
11-1 
July 
4. 
9 a.m. 
.... July 
18. 
6 P.M. 
17 
6 
14-6 
July 
18. 
6 P.M. 
. . . . August . . . 
6. 
3 P.M. 
18 
8 
11-9 
August . . . 
6. 
3 P.M. 
. . . . October. . . 
6. 
7 A.M. 
50 
1 
9-9 
October. . . 
6. 
7 A.M. 
. . . . November . 
8. 
4 P.M. 
27 
2 
9-8 
November. . 
8. 
4 P.M. 
. . . . November . 
21. 
11 A.M. 
8 
0 
7”5 
* There is some uncertainty about the circumstances of this observation, which from the difficulty of cor- 
responding satisfactorily at so great a distance about minute local occurrences, I have been unable perfectly to 
clear up. It is probably correct as it stands. 
MDCCCXLVI. 2 B 
