LINES OF MAGNETIC DECLINATION IN THE ATLANTIC. 
219 
Table XII. (Continued.) 
Lat. 
Long. 
Date. 
Observer. 
Observed 
Declina- 
tion. 
Correc- 
tion for 
Epoch. 
Corrected 
Declina- 
tion. 
Remarks. 
Between the latitudes of 10° and 0° 
(continued). 
O 
8 
30 
346 
44 
Dec. 1836. 
Vidal. 
20 
12 
O 
+ 0 
18 
20 
30 
Sierra Leone. 
8 
30 
346 
44 
Sept. 1836. 
Denham. 
19 
36 
-0 
33 
19 
03 
Sierra Leone. 
7 
39 
346 
56 
Dec. 1836. 
Vidal. 
19 
17 
+ 0 
18 
19 
35 
Moot Island. 
7 
00 
348 
21 
Dec. 1837. 
Vidal. 
18 
53 
+0 
] 1 
19 
04 
Gallinas. 
6 
19 
349 
11 
Dec. 1837. 
Vidal. 
19 
29 
+ 0 
11 
19 
40 
Cape Mesurada. 
6 
09 
349 
11 
Jan. 1837. 
Vidal. 
20 
07 
+ 0 
16 
20 
23 
Monrovia. 
4 
22 
352 
16 
Feb. 1836. 
Vidal. 
20 
00 
+ 0 
11 
20 
11 
Cape Palmas. 
4 
22 
.352 
16 
Dec. 1845. 
Denham. 
19 
05 
-0 
18 
18 
47 
Cape Palmas. 
4 
45 
337 
54 
May 1837. 
Vidal. 
20 
03 
0 
00 
20 
03 
Cape Three Points. 
4 
48 
358 
03 
Aprill838. 
Vidal. 
20 
37 
0 
00 
20 
37 
Dix Cove. 
3 
06 
358 
46 
Aprill838. 
Vidal. 
20 
11 
0 
00 
20 
11 
Cape-Coast Castle. 
5 
10 
358 
54 
Aprill838. 
Vidal. 
20 
13 
0 
00 
20 
13 
Annamaboe. 
5 
32 
359 
49 
Aprill838. 
Vidal. 
20 
18 
0 
00 
20 
18 
Accra. 
5 
32 
359 
49 
Jan. 1846. 
Denham. 
20 
39 
0 
00 
20 
39 
Accra. 
5 
55 
1 
00 
May 1846. 
Denham. 
19 
55 
0 
00 
19 
55 
Quitta. 
6 
13 
1 
36 
Jan. 1846. 
Denham. 
20 
21 
0 
00 
20 
21 
Little Popoe. 
6 
19 
2 
05 
Jan. 1846. 
Denham. 
20 
08 
0 
00 
20 
08 
Whydah. 
6 
24 
2 
53 
Jan. 1846. 
Denham. 
20 
30 
0 
00 
20 
30 
Badagry. 
4 
32 
5 
41 
May 1846jDenham. 
19 
50 
0 
00 
19 
50 
Middleton River. 
7 
07 
7 
49 
1835.1 Allen. 
19 
51 
0 
00 
19 
51 
Sterling. 
3 
46 
8 
45 
Mar. 1836.1 Vidal. 
19 
45 
0 
00 
19 
45 
Point William. 
3 
35 
8 
45 
Mar. 1836. Vidal. 
19 
50 
0 
00 
19 
50 
Fernando Po. 
3 
46 
8 
48 
Jan. 1846. Denham. 
19 
04 
0 
00 
19 
04 
Fernando Po. 
6 27 
9 
13 
1835. 
Allen. 
20 
36 
0 
00 
20 
36 
Rabba. 
0 
55 
9 
20 
Mar. 1836.] Vidal. 
20 
04 
0 
00 
20 
04 
Corisco Bay. 
3 
55 
9 
30 
Aprill 836.1 Vidal. 
19 
46 
0 
00 
19 
46 
Cameroons River. 
Between the latitudes 
of 0° 
and -10°. 
-1 
28 
311 
36 
Sept. 1830. 
Foster. 
— 1 
14 
+0 
57 
- 0 
17 
Para. 
— 2 
31 
315 
48 
Aug. 1830. 
Foster. 
+ 0 
31 
+0 
57 
+ 1 
28 
Maranham. 
— 0 
58 
319 
26 
Aug. 1842. 
Jehenne. 
5 
47 
— 0 
17 
5 
30 
At sea. 
—3 
18 
321 
36 
Aug. 1842. 
Jehenne. 
6 
24 
-0 
17 
6 
07 
At sea. 
-3 
41 
323 
46 
Aug. 1842. 
Jehenne. 
6 
47 
-0 
19 
6 
28 
At sea. 
-8 
04 
325 
08 
Aug. 1836. 
FitzRoy. 
5 
54 
+0 
34 
6 
28 
Pernambuco. 
-8 
03 
325 
10 
Aug. 1836. 
FitzRoy. 
5 
10 
+ 0 
34 
5 
44 
At sea. 
-7 28 
326 
48 
Jan. 1837. 
Du Fetit-Thouars. 
9 
45 
+0 
28 
10 
13 
At sea. 
-3 
31 
327 
26 
Jan. 1837- 
Du Petit-Thouars. 
9 
30 
+ 0 
27 
9 
57 
At sea. 
-7 
16 
327 
27 
Dec. 1839. 
Ross. 
8 
57 
0 
00 
8 
57 
At seaf. 
-3 
31 
327 
35 
Feb. 1832. 
FitzRoy. 
7 
53 
+ 1 
21 
9 
14 
Fernando de Noronha. 
—2 36 
327 
52 
Jan. 1837. 
Du Petit-Thouars. 
10 
10 
+ 0 
27 
10 
37 
At sea. 
— 3 
09 
327 
58 
Feb. 1832. 
FitzRoy. 
7 
54 
+ 1 
20 
9 
14 
At sea. 
— 5 
04 
327 
59 
Feb. 1832. 
FitzRoy. 
7 
45 
+ 1 
20 
9 
05 
At sea. 
-9 
40 
328 
01 
July 1830. 
Erman. 
8 
39 
+ 1 
35 
10 
14 
At sea. 
-3 
29 
328 
03 
Feb. 1832. 
FitzRoy. 
8 
00 
+ 1 
15 
9 
15 
At sea. 
-9 47 
328 
07 
Dec. 1839. 
Ross. 
8 
39 
0 
00 
8 
39 
At seat- 
-7 57 
328 
31 
July 1830. 
Erman. 
9 
01 
+1 
38 
10 
39 
At sea. 
-3 
02 
328 
41 
Dec. 1839. 
Ross. 
10 
15 
0 
00 
10 
15 
At seat- 
-6 
21 
328 
57 
July 1830. 
Erman. 
8 
53 
+ 1 
38 
10 
31 
At sea. 
-9 47 
329 
04 
May 1846. 
Sulivan. 
9 
03 
— 1 
14 
7 
49 
At seat- 
—8 
18 
329 
05 
May 1846. 
Sulivan. 
9 
27 
-1 
14 
8 
13 
At seat- 
— 5 
02 
329 
06 
Aug. 1842. 
Jehenne. 
9 
27 
-0 
27 
9 
00 
At sea. 
-6 
46 
329 
07 
May 1846. 
Sulivan. 
9 
46 
— 1 
05 
8 
41 
At seat- 
—3 
18 
329 
11 
May 1846. 
Sulivan. 
9 
50 
— 1 
00 
8 
50 
At seat- 
—5 
10 
329 
16 
May 1846. 
Sulivan. 
9 
46 
— 1 
04 
8 
42 
At seat- 
— 3 
23 
329 
16 
July 1830. 
Erman. 
9 
17 
+ 1 
25 
10 
42 
At sea. 
