LINES OF MAGNETIC DECLINATION IN THE ATLANTIC. 
225 
Table XII. (Continued.) 
Lat. 
Long. 
Date. 
Observer. 
Observed 
Declina- 
tion. 
Correc- 
tion for 
Epoch. 
Corrected 
Declina- 
tion. 
Remarks. 
Between the latitudes of — 
-30 
° and —40° (continued). 
0 
-31 
41 
299 
34 
jjan. 1846. 
Sulivan. 
O 
— 13 
/ 
14 
0 
-0 
24 
O 
— 13 
38 
Bahada de Santa Fe. 
—38 39 
301 
12 
1833. 
FitzRoy. 
— 14 
00 
+ 0 
26 
— 13 
34 
Black Point. 
-34 
36 
301 
38 
1833. 
FitzRoy. 
— 11 
40 
+ 0 
26 
— 11 
14 
Buenos Ayres. 
-33 
41 
301 
53 
Sept. 1845. 
Sulivan. 
— 12 
06 
-0 
23 
— 12 
29 
River Uruquay. 
—32 
20 
301 
55 
Sept. 1845. 
Sulivan. 
— 11 
14i -0 
23 
-11 
37 
Sandy Island. 
-34 
28 
302 
11 
Aug. 1844. 
Sulivan. 
- 11 
36 
1-0 
18 
— 11 
54 
Colon! a. 
-38 
17 
302 
21 
1833. 
FitzRoy. 
— 14 
00 
+ 0 
28 
-13 
32 
Point San Andres. 
-34 
42 
302 
28 
Nov. 1832. 
FitzRoy. 
-11 
33 
+ 0 
32 
— 11 
01 
At sea. 
-38 
06 
302 
31 
1833. 
FitzRoy. 
-13 
50 
+ 0 
29 
-13 
21 
Cape Corientes. 
-35 
43 
302 
41 
1833. 
FitzRoy. 
— 12 
30 
+ 0 
29 
-12 
01 
Rio Salado. 
-35 
42 
302 
42 
1833. 
FitzRoy. 
-12 
30 
+ 0 
29 
-12 
01 
River Sanborombon. 
— 35 
27 
302 
55 
1833. 
FitzRoy. 
-12 
30 
+ 0 
29 
-12 
01 
Point Piedras. 
-34 
41 
303 
12 
Aug. 1832. 
FitzRoy. 
— 11 
49 
+ 0 
34 
— 11 
15 
At sea. 
-36 
19 
303 
14 
1833. 
FitzRoy. 
— 13 
00 
+ 0 
29 
— 12 
31 
Cape San Antonio. 
-39 
69 
303 
19 
1833. 
FitzRoy. 
-13 
30 
+ 0 
29 
-13 
01 
Medanos Point. 
-36 
56 
303 
25 
Aug. 1 832. 
FitzRoy. 
-12 
36 
+ 0 
34 
— 12 
02 
At sea. 
-34 
52 
303 
36 
Aug. 1833. 
FitzRoy. 
-11 
46 
+ 0 
29 
— 12 
15 
At sea. 
-34 
57 
303 
42 
Nov. 1832. 
FitzRoy. 
-12 
28 
+ 0 
34 
— 11 
54 
At sea. 
-34 
53 
303 
47 
1833. 
FitzRoy. 
-12 
40 
+ 0 
29 
-12 
11 
Monte Video. 
-34 
53 
303 
47 
April 1836. 
Vaillant. 
— 10 
35 
+ 0 
17 
— 10 
18 
Monte Video. 
-34 
54 
303 
48 
July 1843. 
Sulivan. 
-10 
42 
-0 
16 
-10 
58 
Monte Video. 
— 34 
54 
303 
48 
Aug. 1844. 
Sulivan. 
-10 
53 
-0 
20 
— 11 
13 
Monte Video. 
-34 
37 
305 
02 
1833. 
FitzRoy. 
-12 
28 
+ 0 
32 
— 11 
56 
Gorriti. 
-35 
14 
305 
14 
April 1836. 
Vaillant. 
-10 
57 
+ 0 
20 
-10 
37 
At sea. 
-38 
37 
305 
46 
Feb. 1837. 
Du Petit-Thouars. 
-10 
34 
+ 0 
16 
-10 
18 
At sea. 
-35 
52 
306 
16 
April 1836. 
Vaillant. 
- 8 
40 
+ 0 
20 
— 8 
20 
At sea. 
-34 
05 
306 
49 
April 1836. 
Vaillant. 
- 8 
25 
+ 0 
20 
- 8 
05 
At sea. 
-35 
01 
306 
52 
April 1836. 
Vaillant. 
-10 
14 
fO 
20 
- 9 
54 
At sea. 
— 34 57 
307 
31 
April 1836. 
Vaillant. 
- 9 
10 
+ 0 
20 
- 8 
50 
At sea. 
-34 09 
307 
57 
July 1832. 
FitzRoy. 
— 10 
27 
4-0 
45 
- 9 
42 
At sea. 
-34 
16 
308 
20 
Feb. 1837. 
Du Petit-Thouars. 
- 7 
28 
+ 0 
17 
- 7 
11 
At sea. 
-39 
49 
308 
53 
April 1830. 
Erman. 
— 11 
44 
+ 0 
57 
— 10 
47 
At sea. 
-33 
16 
309 
27 
April 1836. 
Vaillant. 
- 8 
18 
+ 0 
22 
- 7 
56 
At sea. 
-38 
29 
309 
31 
April 1830. 
Erman. 
— 11 
16 
+ 0 
57 
— 10 
19 
At sea. 
-33 
42 
309 
40 
April 1 836. 
Vaillant. 
_ 6 
56 
+ 0 
22 
- 6 
34 
At sea. 
— 32 
37 
309 
43 
Aug. 1837. 
Du Petit-Thouars. 
— 5 
37 
+ 0 
17 
- 5 
20 
At sea. 
-38 
13 
309 
45 
April 1 830. 
Erman. 
-10 
10 
+ 1 
06 
- 9 
04 
At sea. 
-37 
15 
310 
00 
April 1830. 
Erman. 
- 9 
25 
+ 1 
06 
— 8 
19 
At sea. 
-35 47 
310 
33 
April 1830. 
Erman. 
- 8 
19 
+ 1 
06 
- 7 
13 
At sea. 
-34 
49 
310 
55 
April 1830. 
Erman. 
- 8 
08 
+ 1 
06 
- 7 
02 
At sea. 
-31 
09 
311 
03 
July 1832. 
FitzRoy. 
- 7 
50 
+ 0 
53 
- 6 
57 
At sea. 
— 30 
56 
311 
44 
April 1836. 
Vaillant. 
— 4 
44 
+ 0 
26 
— 4 
18 
At sea. 
— 32 
38 
312 
27 
1830. 
Erman. 
- 7 
17 
-f 1 
10 
- 6 
07 
At sea. 
— 30 
51 
313 
22 
May 1830. 
Erman. 
— 5 
13 
+ 1 
10 
- 4 
03 
At sea. 
-30 
23 
316 
15 
April 1 846. 
Sulivan. 
— 4 
15 
— 1 
00 
— 5 
15 
At seaf. 
-30 
12 
318 
18 
Dec. 1843. 
Pasley. 
0 
00 
-0 
35 
— 0 
35 
At sea. 
-31 
55 
318 
30 
Jan. 1844. 
Pasley. 
0 
00 
-0 
35 
— 0 
35 
At sea. 
-30 
06 
318 
45 
Aprill846 
Sulivan. 
- 2 
10 
— 1 
00 
— 3 
10 
At seaf-. 
-31 
26 
320 
34 
Jan. 1844. 
Pasley. 
+ 1 
20 
-0 
36 
+ 0 
44 
At sea. 
-30 
22 
321 
00 
Jan. 1844. 
Pasley. 
+ 1 
00 
-0 
36 
0 
24 
At sea. 
-31 
20 
322 
06 
Jan. 1844. 
Pasley. 
+ 1 
17 
-0 
36 
0 
43 
At sea. 
-33 
13 
323 
09 
Feb. 1847. 
Stanley. 
+ 2 
48 
— 1 
12 
1 
36 
At seaf. 
-30 
50 
323 
14 
Feb. 1847. 
Stanley. 
+ 2 
24 
— 1 
12 
1 
12 
At seat. 
-35 
07 
324 
14 
Feb. 1847. 
Stanley. 
+ 2 
49 
— 1 
19 
1 
30 
At seat- 
-36 
37 
326 
57 
Feb. 1847. 
Stanley. 
+ 2 
37 
— 1 
24 
1 
13 
At seat- 
-37 
24 
328 
42 
Feb. 1847. 
Stanley. 
+ 4 
09 
— 1 
25 
2 
44 
At seat- 
