LINES OF MAGNETIC DECLINATION IN THE ATLANTIC, 
217 
Table XII. (Continued.) 
Observed 
Correc- 
Corrected 
Lat. 
Lone. 
Date. 
Observer. 
Declina- 
tion for 
DecUna- 
Remarks. 
tion. 
Epoch. 
tion. 
Between the latitudes of 20 
^ and 10'^ 
(continued). 
O 
13 
36 
334 
16 
July 1846. 
Berard. 
O / 
17 04 
O 
— 0 
40 
16 24 
At sea. 
13 
02 
334 
21 
Sept. 1842. 
Berard. 
13 00 
-0 
17 
12 47 
At sea. 
13 
38 
334 
26 
Sept. 1842. 
Berard. 
13 50 
-0 
17 
13 37 
At sea. 
11 
13 
334 
36 
Sept. 1842. 
Berard. 
15 00 
-0 
17 
14 47 
At sea. 
13 
20 
334 
40 
May 1832. 
FitzRoy. 
14 49 
+ 0 
49 
15 38 
At sea. 
13 
55 
334 
40 
Oct. 1837. 
Vaillant. 
15 06 
+ 0 
15 
15 18 
At sea. 
16 
35 
334 
42 
Sept. 1842. 
Berard. 
17 00 
— 0 
17 
16 47 
At sea. 
10 
00 
334 
44 
Nov. 1839. 
Ross. 
15 47 
0 
00 
15 47 
At seaf. 
12 
46 
335 
25 
Sept. 1837. 
Vaillant. 
15 23 
+ 0 
14 
15 37 
At sea. 
12 
12 
335 
30 
Nov. 1839. 
Ross. 
16 26 
0 
00 
16 26 
At seaf. 
15 
29 
336 
08 
1832. 
FitzRoy. 
15 52 
+ 0 
49 
16 41 
At sea. 
14 
43 
336 
21 
1836. 
FitzRoy. 
17 02 
+ 0 
21 
17 23 
At sea. 
15 
17 
336 
25 
1832. 
FitzRoy. 
15 22 
+ 0 
49 
16 11 
At sea. 
10 
13 
336 
28 
Jan. 1837. 
Du Pedt-Thouars. 
16 59 
+ 0 
18 
17 17 
At sea. 
14 
56 
336 
28 
Nov. 1839. 
Ross. 
l6 26 
0 
00 
16 26 
At seaf. 
14 
54 
336 
30 
1831. 
FitzRoy. 
16 30 
+ 0 
55 
17 25 
Port Praya. 
13 
36 
336 
37 
July 1846. 
Berard. 
17 04 
— 0 
39 
16 25 
At sea. 
15 
49 
336 
40 
Jan. 1847. 
Stanley. 
18 04 
— 0 
42 
17 22 
At seaf. 
11 
59 
336 
47 
Sept. 1837. 
Vaillant. 
16 42 
+ 0 
14 
16 56 
At sea. 
12 
17 
336 
48 
Jan. 1847. 
Stanley. 
15 55 
— 0 
42 
15 13 
At seaf. 
17 
50 
336 
50 
1832. 
FitzRoy. 
17 06 
+ 1 
00 
18 06 
At sea. 
19 
02 
336 
51 
Jan. 1847. 
Stanley. 
20 35 
- 0 
42 
19 33 
At seaf. 
11 
37 
337 
00 
Jan. 1846. 
Berard. 
16 12 
— 0 
39 
15 33 
At sea. 
13 
16 
337 
21 
Jan. 1837. 
Du Petit-Thouars. 
17 32 
+ 0 
18 
17 50 
At sea. 
12 
48 
337 
39 
July 1846. 
Berard. 
17 35 
-0 
42 
16 53 
At sea. 
19 
06 
337 
43 
1832. 
FitzRoy. 
17 39 
+ 0 
45 
18 24 
At sea. 
18 
42 
337 
50 
Nov. 1839. 
Ross. 
17 58 
0 
00 
17 58 
At seaf. 
19 
31 
338 
03 
1832. 
FitzRoy. 
18 06 
+ 0 
45 
18 51 
At sea. 
11 
05 
338 
03 
Sept. 1837. 
Vaillant. 
16 13 
+0 
15 
16 28 
At sea. 
10 
11 
338 
56 
Sept. 1837. 
Vaillant. 
16 27 
+ 0 
15 
16 42 
At sea. 
11 
05 
338 
59 
Sept. 1837. 
Vaillant. 
16 36 
+0 
15 
16 51 
At sea. 
16 
51 
339 
39 
Feb. 1836. 
Vaillant. 
19 48 
+ 0 
26 
20 14 
At sea. 
10 
48 
339 
41 
Sept. 1837. 
Vaillant. 
16 06 
+ 0 
15 
16 21 
At sea. 
13 
41 
339 
42 
Mar. 1836. 
Vaillant. 
17 12 
+ 0 
25 
17 37 
At sea. 
19 
40 
340 
09 
Feb. 1836. 
Vaillant. 
19 47 
40 
25 
20 12 
At sea. 
11 
40 
344 
15 
Oct. 1846. 
Denham. 
19 12 
-0 
40 
18 32 
Guancho. 
11 
33 
344 
21 
Sept. 1846. 
Denham. 
19 10 
— 0 
40 
18 30 
Bulama. 
11 
52 
344 
23 
Sept. 1846, 
Denham. 
20 13 
-0 
40 
19 33 
Bissao. 
Between the latitudes of 10° and 0°. 
6 
44 
00 
1 
45 
Jan. 1843. 
Schomburgk. 
- 3 59 
— 0 
06 
— 4 05 
JFork of Wenama and Cuguori 
\ Rivers. 
4 57 
298 
59 
Nov. 1842. 
Schomburgk. 
- 4 11 
— 0 
06 
— 4 17 
Near Mount Roraima. 
4 
17 
299 
42 
Oct. 1842. 
Schomburgk. 
- 4 00 
— 0 
05 
— 4 05 
Macusi Village, Pakaraima Mts. 
3 
22 
299 
48 
Sept. 1842. 
Schomburgk. 
— 4 37 
-0 
05 
— 4 42 
f Junction of Cotinger and Ta- 
f cuter Rivers. 
8 
25 
300 
24 
April 1841. 
Schomburgk. 
- 2 50 
-0 
03 
— 2 53 
River Guainia. 
3 
39 
300 
40 
Mar. 1842. 
Schomburgk. 
— 4 00 
-0 
05 
— 45 
Pirara, River Rupunuri. 
6 
24 
301 
18 
Dec. 1843. 
Schomburgk. 
- 3 06 
— 0 
08 
- 3 14 
Penal Settlement. 
6 
49 
301 
49 
Sept. 1841. 
Schomburgk. 
— 2 44 
— 0 
03 
- 2 47 
Georgetown. 
1 
25 
301 
54 
July 1843.:Schomburgk. 
— 3 57 
— 0 
05 
— 4 02 
Rio Trombetas. 
2 
02 
303 
32 
Aug. 1843JSchomburgk. 
— 3 40 
-0 
06 
- 3 46 
Pianogholo Village. 
9 
39 
326 
10 
May 1846JSulivan. 
July 1830JErinan. 
+ 12 47 
— 0 
39 
+ 12 08 
At seaf. 
2 
04 
329 
37 
10 12 
+ 1 
11 
11 23 
At sea. 
4 
01 
329 
42 July 1830.|Erinan. 
11 08 
+ 1 
11 
12 19 
At sea. 
