198 
GENERAL SIR EDWARD SABINE ON TERRESTRIAL MAGNETISM. 
NORTH EQUATORIAL ZONE IV.— Lat. 30° N. to 40° N. (continued). 
Declination. 
Inclination. 
Force in 
British units. 
Stations. 
Lat. N. 
Long. E. 
Date. 
Correction 
Ob- 
Cor. to 
Observers. 
served. 
to Epoch 
1842-5. 
Corrected. 
served. 
Epoch 
1842-5. 
Corrected. 
o / 
o / 
O f 
O 
o / 
O 
At sea (4 observations) 
32 21 
317 17 
1830 
14 52 tv. 
14-9 vv. 
Prussian ships. 
30 00 
318 05 
1839 
64 05 
64-1 u. 
Sulivan. 
At sea (2 observations) 
34 30 
318 12 
1830 
16 47 tv. 
16-8 vv. 
67 27 
67-5 n. 
11-16 
Erman. 
At sea (2 observations) 
34 58 
318 20 
1830 
17 16 w. 
17 3 w. 
67 30 
67-5 n. 
11-07 
Erman. 
At sea (2 observations) 
33 39 
318 32 
1830 
17 02 w. 
17 0 w. 
66 06 
66-1 n. 
11-12 
Erman. 
At sea (2 observations) 
32 51 
318 57 
1830 
16 54 w. 
16 9 w. 
65 21 
65-4 n. 
10-94 
Erman. 
31 57 
319 00 
1839 
64 55 
64-9 n. 
11-01 
Sulivan. 
At sea (2 observations) 
32 45 
319 01 
1830 
15 46 w. 
15-8 w. 
Erman. 
At sea (2 observations) 
31 46 
319 09 
1839 
15 56 w. 
15 9 vv. 
Du Petit Thouars. 
At sea (2 observations) 
30 25 
319 28 
1830 
14 59 w. 
15 0 w. 
64 16 
64 3 n. 
11-01 
Erman. 
At sea (2 observations) 
32 13 
319 39 
1859 
19 48 w. 
19 8 w. 
Novara. 
At sea (3 observations) 
33 52 
319 46 
1850 
17 37 iv. 
17 6 w. 
Lunt. 
At sea (2 observations) 
36 16 
319 52 
1830 
18 35 vv. 
18-6 w. 
68 iV 
68-3 n. 
11-23 
Erman. 
At sea 
30 44 
319 58 
1830 
15 14 w. 
15 -2 vv. 
Erman, 
At sea (2 observations) 
31 08 
320 07 
1830 
15 54 w. 
15 9 w. 
64 30 
64-5 n. 
1087 • 
Erman. 
34 04 
320 12 
1839 
17 22 w. 
1 7-4 w. 
Du Petit Thouars. 
30 48 
320 16 
1846 
17 47 w. 
17-8 w. 
Sulivan. 
34 27 
320 54 
1839 
67 50 
67-8 n. 
11-16 
Sulivan. 
At sea (ship’s head on 1 
16 points) J 
37 55 
320 58 
1859 
23 52 w. 
23-9 w. 
Novara. 
At sea (3 observations) 
36 21 
321 02 
1859 
22 37 w. 
22-6 w. 
Novara. 
At sea (2 observations) 
32 12 
321 07 
1840 
18 21 w. 
18-4 w. 
Sulivan. 
At sea (2 observations) 
37 19 
321 10 
1830 
18 30 vv. 
18-5 w. 
68 24 
68-4 n. 
11-40 
Erman. 
At sea (2 observations) 
36 47 
321 20 
1829 
17 10 w. 
17-2 w. 
Runxker. 
At sea (5 observations) 
32 52 
321 33 
1830 
16 10 w. 
16 2 w. 
Prussian ships. 
At sea..... 
37 05 
321 35 
1842 
21 02 w. 
210 w. 
Jehenne. 
37 39 
321 45 
1830 
19 43 w. 
19-7 w. 
Erman. 
At sea 
35 09 
321 58 
1839 
67 35 
67*6 n. 
11-23 
Sulivan. 
At sea 
33 46 
322 10 
1846 
19 15 vv. 
19-3 w. 
Sulivan. 
At sea (2 observations) 
35 48 
322 30 
1837 
18 05 w. 
18-1 w. 
Bonite. 
At sea 
36 53 
322 30 
1839 
68 15 
68-3 n. 
11-22 
Sulivan. 
At sea 
38 25 
322 50 
1830 
21 25 w. 
21-4 w. 
69 08 
69-1 if. 
11-21 
Erman. 
At sea (7 observations) 
37 39 
322 51 
1830 
21 50 w. 
21-8 w. 
Prussian ships. 
At sea 
37 48 
323 07 
1839 
19 57 w. 
20 0 w. 
Du Petit Thouars. 
At sea (6 observations) 
32 34 
323 10 
1829 
18 28 vv. 
18 5 w. _ 
Liitke. 
At sea 
33 54 
323 13 
1837 
18 02 w. 
18 0 w. 
Bonite. 
At sea (3 observations) 
32 15 
323 13 
1846 
18 43 w. 
18-7 w. 
Berard. 
At sea (4 observations) 
39 17 
323 32 
1859 
27 47 w. 
27 8 w. 
Novara. 
At sea (2 observations) 
34 15 
323 32 
1846 
1 S 32 w. 
18-5 vv. 
-Berard. 
At sea (2 observations) 
31 28 
323 33 
1843 
18 08 vv. 
18-1 w. 
63 27 
63-5 n. 
Boss. 
A+ KAT 
38 21 
323 40 
1839 
69 42 
69 7 h. 
11-16 
Sulivan. 
39 07 
323 41 
1830 
22 06 w. 
22 1 w. 
At sea 
31 04 
324 03 
1836 
18 28 vv. 
18-5 w. 
FitzRoy. 
Ross. 
At sea (2 observations) 
33 40 
324 05 
1843 
20 45 v. 
20 8 w. 
65 01 
65-0 n. 
At sea 
39 15 
324 36 
1830 
23 11 w. 
23-2 vv. 
Erman. 
At sea 
37 09 
324 36 
1846 
23 37 w. 
23-6 vv. 
Sulivan. 
At sea, 
324 55 
1836 
18 22 vv. 
18-4 w. 
FitzRoy. 
Ross. 
At sea (3 observations) 
36 01 
325 07 
1843 
20 28 vv. 
20-5 w. 
66 57 
67 0 n. 
At sea (2 observations) 
30 31 
325 09 
1837 
18 25 vv. 
18-4 w. 
Bonite. 
At sea (2 observations) 
36 37 
325 14 
1850 
67 16 
67 3 n. 
Rattlesnake. 
At sea (3 observations) 
37 36 
325 16 
1843 
23 39 w. 
23 -7 w. 
68 43 
68-7 n. 
Ross. 
At sea (2 observations) 
38 51 
325 25 
1843 
25 23 w. 
25-4 tv. 
69 12 
69-2 n. 
Ross. 
I At sea 
37 55 
325 35 
1846 
23 35 yf. 
23-6 tv. 
Sulivan. 
39 32 
325 54 
1839 
20 55 vv. 
20-9 tv. 
Du Petit Thouars 
| At sea (3 observations] 
34 50 
325 56 
1846 
19 03 w. 
19 1 w. 
Berard. 
| At sea (2 observations' 
39 51 
326 50 
1843 
26 55 w. 
26-9 tv. 
69 34 
69-6 n. 
Ross. 
I At sea (3 observations] 
36 38 
328 14 
1846 
20 53 w. 
20-9 tv. 
Berard. 
a At qpq 
35 38 
328 28 
1836 
21 34 w. 
21-6 w. 
Fitz Roy. 
Yidal. 
| Mores 
328 48 
1844 
27 30 w. 
27 30 w. 
27-5 w. 
I Corvo 
39 41 
328 53 
1842 
27-5 tv. 
Vidal. 
