288 
SIR JAMES C. ROSS ON THE EFFECT OF THE PRESSURE OF THE 
Table I. — Showing the height of the sea, and the corresponding height of the 
mercury in the barometer, for every hour, during the month of November 1848, at 
Port Leopold. 
November 1. 
November 2. 
November 3. 
November 4. 
November 5. 
November 6. 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
A.M. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
1 
21 
11-5 
301 22 
21 
30 
30 034 
21 
70 
29-355 
20 
80 
29-379 
19 
6-5 
29-980 
19 
40 
30-286 
2 
22 
20 
30122 
21 
9-0 
30-017 
22 
1-0 
29-356 
21 
1-0 
29-388 
19 
10-0 
30-004 
19 
1-0 
30-294 
3 
21 
8-5 
30127 
21 
100 
30000 
22 
5-0 
29-350 
21 
60 
29-397 
20 
20 
30026 
19 
4-0 
30-299 
4 
21 
3*5 
30- 132 
21 
60 
29-978 
22 
4-0 
29 352 
21 
80 
29-404 
20 
60 
30045 
19 
90 
30-300 
5 
20 
1 5 
30139 
20 
100 
29-951 
22 
00 
29-318 
21 
8-0 
29-432 
20 
9-0 
30 054 
20 
2-0 
30-308 
6 
19 
2-0 
30-147 
19 
110 
29-926 
21 
60 
29-320 
21 
60 
29-460 
20 
11-0 
30-070 
20 
9-0 
30301 
7 
18 
5*5 
30-142 
19 
2 0 
29-897 
20 
1 1-0 
29-324 
21 
1-5 
29-505 
20 
10-5 
30097 
21 
05 
30-295 
8 
18 
20 
30-129 
18 
1 1-0 
29-868 
20 
4-5 
29-342 
20 
8-5 
29 520 
20 
70 
30-102 
21 
1-5 
30-296 
9 
18 
5-5 
30T03 
18 
115 
29-833 
20 
1-0 
29-354 
20 
40 
29-548 
20 
25 
30T18 
20 
10-0 
30285 
10 
19 
2-2 
30100 
19 
60 
29-779 
20 
2-5 
29-364 
20 
10 
29-574 
19 
10-5 
30154 
20 
70 
30-272 
11 
20 
40 
30113 
20 
50 
29-746 
20 
6-0 
29-362 
20 
0-5 
29 603 
19 
8-0 
30-166 
20 
1-5 
30-265 
Noon 
21 
60 
30-108 
21 
60 
29-683 
21 
1-5 
29-362 
20 
4*5 
29 637 
19 
80 
30-186 
19 
80 
30-265 
1 
22 
1 1-0 
30110 
22 
7-0 
29-655 
22 
0-5 
29-354 
21 
0-0 
29 658 
20 
1-0 
30-207 
19 
60 
30-272 
2 
23 
6 5 
30104 
23 
50 
29-619 
22 
10-0 
29356 
21 
90 
29-689 
20 
8-0 
30-213 
19 
70 
30-272 
3 
23 
8-5 
30102 
23 
11-0 
29-609 
23 
5 0 
29 348 
22 
20 
29-713 
21 
1-0 
30-225 
20 
00 
30-270 
4 
23 
40 
30-092 
23 
11-0 
29-547 
23 
90 
29-355 
22 
11-0 
29-723 
21 
110 
30-229 
20 
8-0 
30-260 
5 
22 
60 
30-085 
23 
70 
29-503 
23 
75 
29-353 
23 
1-0 
29-751 
22 
50 
30-241 
21 
5 0 
30-258 
6 
21 
60 
30090 
22 
11-0 
29-452 
23 
20 
29-351 
22 
10 0 
29-799 
22 
9-0 
30-265 
22 
3-5 
30-267 
7 
20 
6-5 
30080 
22 
10 
29-437 
22 
60 
29-349 
22 
7-0 
29-819 
22 
9-0 
30-263 
22 
7-5 
30-260 
8 
19 
8*5 
30074 
21 
4-0 
29-412 
21 
70 
29-350 
22 
2-0 
29-836 
22 
4-5 
30-271 
22 
90 
30-254 
9 
19 
50 
30067 
20 
10-5 
29-385 
21 
30 
29-351 
21 
6-0 
29-863 
21 
90 
30-281 
22 
6-0 
30 238 
10 
19 
70 
30-056 
20 
8-0 
29-375 
20 
70 
29-364 
20 
8-0 
29-883 
21 
00 
30 273 
21 
11-0 
30-234 
11 
19 
115 
30-046 
20 
10-5 
29-346 
20 
40 
29-369 
20 
00 
29-908 
20 
30 
30-273 
21 
00 
30-228 
Midnight 
20 
8-0 
30 034 
21 
20 
29-356 
20 
50 
29-374 
19 
7-5 
29-953 
19 
8-5 
30-278 
20 
25 
30-214 
Mean ... 
20 
9-9 
30101 
21 
4-4 
29-683 
21 
83 
29-351 
21 
3-5 
29-643 
20 
9-7 
30168 
20 
81 
30-270 
November 7. 
November 8. 
November 9. 
November 10. 
November 1 1. 
November 12. 
T T 
ilOUI • 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
Tide. 
Barom. 
A.M. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
ft. 
in. 
inches. 
i 
19 
50 
30212 
19 
9-5 
29-934 
20 
60 
29 656 
21 
6-5 
29-761 
22 
6*5 
29 823 
23 
5-0 
29 892 
2 
IS 
1 1 5 
30-215 
18 
11-0 
29-902 
19 
40 
29-667 
20 
1-0 
29-769 
21 
10 
29-827 
21 
11-0 
29-901 
3 
18 
105 
30-215 
18 
6-5 
29-882 
18 
50 
29-675 
18 
10 0 
29 771 
19 
4o 
29-855 
20 
5 5 
29-903 
4 
19 
2-0 
30-206 
18 
7-0 
29-843 
18 
1-0 
29-680 
17 
10-0 
29-774 
18 
1-0 
29 865 
18 
10 5 
29-916 
5 
19 
75 
30185 
1 18 
110 
29-840 
18 
5-0 
29-681 
17 
8-2 
29-756 
17 
40 
29-877 
17 
60 
29-913 
6 
20 
85 
30 182 
20 
20 
29-809 
19 
1-5 
29-683 
18 
60 
29-754 
17 
60 
29-886 
17 
2-5 
29-921 
7 
21 
3*5 
30177 
21 
40 
29-782 
19 
5 5 
29-686 
19 
5’5 
29 758 
18 
8-0 
29-898 
17 
7'5 
29-925 
8 
21 
90 
30-167 
22 
20 
29-770 
21 
9-5 
29-683 
21 
0-0 
29-775 
20 
1-0 
29-902 
18 
10 0 
29-939 
9 
21 
10-5 
30-162 
•22 
10-5 
29-745 
23 
2-0 
29-675 
22 
10-0 
29-752 
22 
0-5 
23-899 
20 
100 
29-962 
10 
21 
7-5 
30T61 
22 
11-5 
29-723 
23 
8-5 
29-683 
23 
10-5 
29-742 
23 
7-0 
29-907 
22 
00 
29-976. 
11 
21 
1-5 
30-159 
22 
7-5 
29-718 
23 
90 
29-694 
24 
00 
29-733 
23 
8-0 
29-915 
24 
5-0 
29-995 
Noon 
20 
6 0 
30 136 
22 
1-0 
29718 
23 
1-5 
29-694 
23 
10 5 
29-730 
23 
9 0 
29-915 
25 
4 0 
30-023 
1 
19 
9-5 
30-114 
20 
110 
29-711 
22 
0-5 
29-707 
23 
00 
29-728 
23 
8-5 
29-919 
25 
4-0 
30047 
2 
19 
4*5 
30132 
19 
117 
29 721 
20 
100 
29-723 
21 
9-0 
29-739 
22 
100 
29-919 
24 
60 
30093 
3 
19 
5-5 
30-112 
19 
4-5 
29-719 
19 
90 
29-703 
20 
3 0 
29-745 
21 
3-5 
29-921 
22 
11-5 
30-122 
4 
19 
90 
30-114 
19 
40 
29-721 
19 
2-5 
29-745 
19 
5 0 
29 746 
19 
8 0 
29-916 
21 
5*5 
30-141 
5 
20 
6-0 
30-094 
19 
7-5 
29-727 
19 
35 
29 730 
18 
10 0 
29-749 
18 
60 
29-923 
19 
80 
30 172 
(5 
21 
3-5 
300B6 
20 
90 
29-740 
19 
6 0 
29-746 
18 
10-0 
29-749 
18 
10 
29-916 
IS 
6-0 
30T92 
7 
22 
10 
30087 
21 
8-0 
29-725 
20 
3-5 
29 714 
19 
9-5 
29-756 
18 
6-0 
29-914 
18 
3-5 
30193 
8 
22 
8*5 
30-057 
22 
7-0 
29 717 
21 
100 
29 735 
21 
00 
29 773 
19 
20 
29 912 
18 
80 
30-215 
9 
22 
10;. 
30 010 
23 
3-0 
29-693 
23 
1-0 
29-729 
22 
20 
29-786 
21 
0-0 
29-906 
19 
70 
30-227 
10 
22 
115 
30001 
23 
6-5 
29-671 
1 23 
8-0 
29-734 
23 
4-0 
29-78S 
22 
4 5 
29 896 
20 
110 
30-211 
11 
21 
110 
29-986 
1 22 
11-5 
29 665 
1 23 
7-5 
29-744 
23 
100 
29-796 
23 
50 
29-877 
22 
30 
30-248 
Midnigh 
20 
10 5 
29 963 
! 22 
00 
29-661 
22 
90 
29-750 
23 
85 
29 806 
23 
9 5 
29-877 
22 
115 
30-271 
Mean .. 
> 
20 
9-2 
30-123 
| 21 
0-4 
29-756 
21 
0-4 
29-706 
21 
0-7 
29-759 
20 
100 
29-891 
20 
11 7 
30 064 
