216 
LINES OF MAGNETIC DECLINATION IN THE ATLANTIC. 
Table XII. (Continued.) 
Lat. 
Long. 
Date. 
Observer. 
Dbserved 
Declina- 
tion. 
Correc- 
tion for 
Epoch. 
Corrected | 
Declina- I 
tion. ] 
Remarks. 
Between the latitudes of 30° 
and 20° 
(continued). 
23 09 
340 13 
1832. 
FitzRoy. 
18 47 
-fO 44 
O / 
19 31 
At sea. 
22 01 
340 16 
Feb. 1836. 
Vaillant. 
20 08 
-fO 24 
20 32 
At sea. 
21 50 
340 28 
Jan. 1837- 
[)u Petit-Thouars. 
20 03 
-pO 16 
20 19 
At sea. 
23 38 
340 43 
Nov. 1839. 
Eloss. 
19 30 
0 00 
19 30 
At seat- 
23 50 
340 51 
Nov. 1839. 
Uoss. 
19 12 
0 00 
19 12 
At seat- 
26 17 
340 59 
Sept. 1842. 
Serard. 
21 00 
-0 15 
20 45 
At sea. 
23 31 
341 10 
Tan. 1837. 
Du Petit-Thouars. 
19 55 
-pO 16 
20 11 
At sea- 
24 31 
34i 17 
Nov. 1839. 
Uoss. 
20 15 
0 00 
20 15 
At seat- 
24 40 
341 18 
1832. 
FitzRoy. 
19 53 
-PO 41 
20 34 
At sea. 
23 37 
341 31 
Feb. 1836. 
Vaillant. 
21 02 
-PO 21 
21 23 
At sea. 
25 33 
341 55 
Nov. 1839. 
Ross. 
21 33 
0 00 
21 33 
At seat- 
25 26 
341 58 
1832. 
FitzRoy. 
19 59 
+ 0 41 
20 40 
At sea. 
24 58 
342 56 
Feb. 1836. 
Vaillant. 
20 35 
-pO 21 
20 56 
At sea. 
27 59 
343 01 
Sept. 1842. 
Berard. 
21 00 
-0 15 
20 45 
At sea. 
26 59 
343 12 
1832. 
FitzRoy. 
20 04 
-pO 41 
20 45 
At sea. 
28 12 
343 40 
1832. 
FitzRoy. 
20 20 
-pO 41 
21 01 
At sea. 
29 31 
343 40 
1832. 
FitzRoy. 
20 44 
-pO 41 
21 25 
At sea. 
28 26 
343 44 
Nov. 1839. 
Ross. 
20 31 
0 00 
20 31 
At seat- 
28 28 
343 45 
1837. 
Vidal. 
22 40 
+ 0 10 
22 50 
Santa Cruz. 
26 15 
344 06 
Feb. 1836. 
Vaillant. 
22 16 
-PO 15 
22 31 
At sea. 
27 22 
344 38 
Feb. 1836. 
Vaillant. 
21 44 
-pO 15 
21 59 
At sea. 
29 15 
345 16 
Sept. 1842. 
Berard. 
22 00 
-0 10 
21 50 
At sea. 
29 12 
346 05 
Feb. 1836. 
Vaillant. 
22 02 
-PO 15 
22 17 
At sea. 
Between the latitudes of 20° and 10°. 
17 56 
283 09 
April 1847. 
Barnett. 
— 3 40 
— 0 10 
— 3 50 Jamaica. 
17 56 
283 09 
Oct. 1837. 
Milne. 
— 4 18 
-pO 03 
— 4 15 Jamaica. 
17 55 
283 44 
1831. 
Austin. 
— 5 13 
-pO 12 
— 5 01 
Point Morant. 
10 25 
284 25 
Sept. 1837. 
Milne. 
— 5 41 
-pO 04 
— 5 37 
Carthagena. 
19 55 
284 45 
July 1837. 
Milne. 
— 3 31 
-pO 05 
— 3 26 
Cumberland Harbour. 
11 15 
285 45 
Sept. 1837. 
Milne. 
- 5 29 
-pO 04 
— 5 25 
Santa Martha. 
19 39 
295 51 
July 1838. 
Berard. 
- 0 01 
+ 0 03 
-p 0 02 
At sea. 
18 14 
296 51 
1846. 
Barnett. 
— 0 56 
— 0 12 
- 1 08 
Anguilla Island. 
17 08 
298 08 
Nov. 1840. 
Milne. 
— 0 42 
-0 01 
— 0 43 
Antigua. 
17 08 
298 08 
Jan. 1848. 
Barnett. 
- 0 46 
-0 16 
— 1 02 
Antigua. 
13 05 
300 22 
Nov. 1839. 
Milne. 
- 1 13 
0 00 
_ 1 13 
Barbadoes. 
13 05 
300 24 
1846. 
Schomburgk. 
- 1 27 
— 0 12 
- 1 39 
Barbadoes. 
18 18 
321 24 
May 1846. 
Sulivan. 
-t-11 24 
— 0 32 
-plO 52 
At seat- 
17 02 
321 51 
May 1846. 
Sulivan. 
9 38 
-0 32 
9 06 
At seat- 
19 19 
321 51 
May 1839. 
Du Petit-Thouars. 
11 56 
+ 0 02 
11 58 
At sea. 
15 21 
322 28 
May 1846. 
Sulivan. 
10 49 
-0 35 
10 14 
At seat- 
l6 36 
323 27 
May 1839 
Du Petit-Thouars. 
11 13 
-pO 02 
11 15 
At sea. 
13 55 
325 01 
May 1839 
Du Petit-Thouars. 
11 34 
-pO 02 
11 36 
At sea. 
11 58 
327 30 
May 1839 
Du Petit-Thouars. 
11 42 
-pO 03 
11 45 
At sea. 
16 20 
328 52 
July 1830 
Erman. 
12 36 
-pO 54 
13 30 
At sea. 
18 57 
329 36 
July 1830 
Erman. 
13 02 
-pO 50 
13 52 
At sea. 
19 22 
329 41 
July 1846 
Berard. 
15 Og 
— 0 38 
14 30 
At sea. 
15 13 
329 56 
July 1830 
Erman. 
13 Og 
-pO 57 
14 05 
At sea. 
17 17 
330 40 
July 1846 
Berard. 
17 If 
-0 33 
16 43 
At sea. 
18 31 
330 57 
Oct. 1837 
Vaillant. 
14 04 
-pO 14 
14 18 
At sea. 
14 01 
331 11 
July 1830 
Erman. 
12 4C 
+ 1 01 
13 41 
At sea. 
12 51 
331 31 
July 1830 
Erman. 
12 5^ 
-pi 01 
13 56 
At sea. 
11 53 
331 43 
July 1830 
Erman. 
12 5f 
-pi 01 
13 57 
At sea. 
16 39 
332 16 
Oct. 1837 
. Vaillant. 
14 2( 
+ 0 15 
14 3S 
At sea. 
10 36 
333 00 
July 1830 
. Erman. 
13 3: 
-pi 01 
14 34 
At sea. 
12 17 
333 35 
May 1832 
. FitzRoy. 
13 4[ 
+ 0 49 
14 3S 
At sea. 
14 49 
333 41 
Oct. 1837 
. Vaillant. 
14 3^ 
-pO 15 
14 47 
At sea. 
