376 MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
Observations of Declination. (Continued.) 
Date. 
Lat. 
Long. 
Observer. ! 
Declination 
observed. 
1845. 
Mar. 16 a.m. 
-55 
15| 
10b 
03 
B. 
+ 30 31 
16 P.M. 
-54 
42, 
10 ') 
08 
Cl. 
+ 32 16 
-54 
42 
106 
08 
T. 
+ 32 06 
-54 
38 
106 
28 
M. 
+ 33 16 
-54 
38 
106 
28 
Cl. 
+ 34 13 
-54 
36:106 
28 
Bn. 
+ 34 45 
17 A.M. 
-54 
05108 
15 
Cl. 
+ 29 19 
-54 
05108 
15 
M. 
+ 32 02 
18 A.M. 
-53 
301 10 
13 
Bn. 
+ 25 18 
— 53 
14 
110 
24 
M. 
+ 22 05 
-53 
10 
110 27 
M. 
+ 26 50 
-53 
08110 
29 
M. 
+ 26 25 
-53 
08110 
29 
Cl. 
+ 23 34 
18 P.M. 
-53 
03110 
20 
T. 
+ 20 00 
19 P.M. 
-52 
38110 
30 
Cl. 
+ 18 23 
20 A.M. 
-49 
22112 
34 
Bn. 
+ 23 05 
-49 
22112 
34 
Bn. 
+ 21 06 
-49 
22112 
34 
Bn. 
+ 20 05 
-49 
01 112 
50 
M. 
+ 19 26 
20 p.m. 
-49 
00112 
51 
Cl. 
+ 17 58 
-49 
00 
112 
51 
Cl. 
+ 18 30 
— 48 
59 
112 
53 
T. 
+ 21 50 
-48 
54 
112 
55 
T. 
+ 17 12 
-48 
56 
112 
56 
M. 
+ 17 24 
-48 
56 
112 
56 
M. 
+ 17 33 
23 P.M. 
-46 
32 
115 
54 
M. 
+ 11 55 
24 p.m. 
-45 
04 
116 
52 
T. 
+ 8 52 
-44 
54 
116 
55 
M. 
+ 10 38 
25 A.M. 
-43 
53 
116 
52 
M. 
+ 7 12 
-43 
52 
116 
59 
B. 
+ 5 40 
-43 
52 
116 
59 
Bn. 
+ 8 18 
-43 
42 
1 1 6 
59 
C’l. 
+ 7 42 
-43 
42 
116 
59 
T. 
+ 5 59 
25 p.m. 
-43 
08 
116 
55 
Cl. 
+ 7 45 
26 A.M. 
-41 
29 
116 
42 
M. 
+ 3 45 
26 p.m. 
-40 
54 
116 
42 
Cl. 
+ 4 48 
— 40 
42 
116 
42 
M. 
+ 3 10 
27 A.M. 
-39 
00 
116 
15 
M. 
+ 7 09 
-39 
00 
116 
15 
Cl. 
+ 6 26 
27 P.m. 
-38 
32 
116 
17 
M. 
+ 7 48 
-38 
08 
116 
19 
M. 
+ 6 37 
28 p.m. 
-37 02 
116 
38 
M. 
+ 4 10 
-36 
46 
116 
35 
M. 
+ 5 45 
-36 
46 
116 
35 
Cl. 
+ 5 13 
29 A.M. 
-36 
13 
116 
40 
M. 
+ 4 49 
— 36 
12 
116 
40 
M. 
+ 5 56 
-36 
13 
116 
40 
Cl. 
+ 4 29 
-36 
12 
116 
40 
T. 
+ 4 52 
— 36 
11 
116 
40 
M. 
+ 5 38 
29 p.m 
-36 
10 
116 
47 
Bn. 
+ 4 37 
-36 
10 
116 
47 
Cl. 
+ 6 01 
-36 
08 
116 
54 
M. 
+ 6 48 
30 A.M 
— 35 
09 
117 
41 
Cl. 
+ 7 10 
-35 
09 
117 
41 
Cl. 
+ 6 54 
-35 
14 
117 
41 
Cl. 
+ 4 52 
-35 
14117 
41 
Bn. 
+ 5 05 
30 p.m 
-35 
14|l 17 
41 
M. 
+ 6 23 
Corrections. 
Ship’s bead. 
nclination. 
Ship’s 
X 
Corrected Declination. 
Remarks. 
attrac- 
<L> 
tion. 
M 
o / 
o / 
J 
O / 
N.E. 
| 
— 3 47 
+ 52 
+ 27 36" 
N.E. y E. 
1 
-3 56 
+ 52 
+ 29 12 
N.E. \ E. 
E. 
1-78 41 
-3 56 
-4 46 
+ 52 
+ 52 
+ 29 02 
+ 29 22 
> + 29 24 
Very unsteady. 
E. 
-4 46 
+ 52 
+ 30 19 
E. 
-4 46 
+ 52 
+ 30 51 
e. by S. 
E. ± S. 
. -79 04 
— 4 52 
-5 05 
+ 52 
+ 52 
+ 25 19] 
+ 27 49] 
+ 26 34 
Very unsteady. 
N.N.E. 
-2 37 
+ 52 
+ 23 33i 
N.N.E. \ E. 
-2 58 
+ 52 
+ 19 59 
N.E. \ E. 
>-77 34 
— 4 01 
+ 52 
+ 23 41 
> + 21 52 
N.E. 
-3 47 
+ 52 
+ 23 30 
Very unsteady. 
N.E. \ E. 
-4 01 
+ 52 
+ 20 25 
N. \ W. 
— 48 
+ 52 
+ 20 04 
N.N.E. 
-77 09 
-2 32 
+ 52 
+ 16 43 
+ 16 43 
Very unsteady. 
n.e. by n. 
\ 
-2 49 
+ 52 
i-21 OS') 
n. by e. - g- e. 
-2 04 
+ 52 
+ 19 54 
N.N.E. 
-2 19 
+ 52 
+ 18 38 
N.E. 
-3 25 
+ 52 
+ 16 53 
N.E. \ N. 
>-76 17 
-3 10 
+ 52 
+ 15 40 
> + 17 09 
N.E. \ N. 
— 3 10 
+ 52 
+ 16 12 
Compass unsteady. 
N.E. -§- E. 
— 3 35 
+ 52 
+ 19 07 
N.E. % E. 
-3 35 
+ 52 
+ 14 29 
N.E. \ E. 
— 3 35 
+ 52 
+ 14 41 
N.E. y E. 
— 3 35 
+ 52 
+ 14 50^ 
N. ^ W. 
-74 30 
- 45 
+ 52 
+ 12 02 
+ 12 02 
Steady. 
N. i W. 
N. 
> -73 27 
- 45 
-1 03 
+ 52 
+ 52 
+ 8 59l 
+ 10 27 J 
■ + 9 43 
Very unsteady. 
n. by w. w. ' 
- 30 
+ 52 
+ 7 34" 
n. by w. 
— 42 
+ 52 
+ 5 50 
N. y w. 
> — 72 28 
— 54 
+ 52 
+ 8 16 
>+ 7 04 
N. 
-1 00 
+ 52 
+ 7 34 
Card unsteady. 
N. 
-1 00 
+ 52 
+ 5 51 
N. } E. 
-1 12 
+ 52 
+ 7 25^ 
N. by w. 
- 33 
+ 52 
+ 4 04" 
n. by w. 
> — 70 43 
— 33 
+ 52 
+ 5 07 
>+ 4 10 
Card unsteady. 
N. by w. 
j 
— 33 
+ 52 
+ 3 29^ 
1 
N. by w. 
— 33 
+ 52 
+ 7 28" 
N. by w. 
N. by e. 
1-68 27 
- 33 
— 1 20 
+ 52 
+ 52 
+ 6 45 
+ 7 20 
^+ 6 56 
Compass steady. 
N. by e. 
j 
-1 20 
+ 52 
+ 6 09^ 
N. by e. \ E. 
-1 11 
+ 52 
+ 3 51" 
' 
N.N.E. 
>—66 38 
-1 26 
+ 52 
-(-5 11 
>+ 4 31 
Steady. 
N.N.E. \ E. 
J 
— 1 33 
+ 52 
+ 4 32^ 
1 
N. by E. 
— 1 07 
+ 52 
+ 4 34" 
N. by e. 
-1 07 
+ 52 
+ 5 41 
N. by e. 
-1 07 
+ 52 
+ 4 14 
N. by E. 
N. 
>-65 44 
— 1 07 
— 53 
+ 52 
+ 52 
+ 4 37 
+ 5 37 
>+ 4 52 
Steady. 
N.E. \ E. 
-1 56 
+ 52 
+ 3 33 
N.E. \ E. 
— 1 56 
+ 52 
+ 4 57 
N.E. \ E. 
-1 56 
+ 52 
+ 5 44 
S.E. E. 
— 1 34 
+ 52 
+ 6 28 
N. i E. 
- 59 
+ 52 
+ 6 47 
S. ! E. 
L— 65 36 
- 13 
+ 52 
+ 5 31 
1+ 6 20 
Compass steady. 
S. | E. 
— 13 
+ 52 
+ 5 44 
S. 
- 03 
+ 52 
+ 7 12_, 
