416 MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE 
Observations of the Magnetic Force. (Continued.) 
Corrections. 
Date. 
Lat. 
Long. 
Method 
employed. 
deflec- 
tion. 
e o 
& 
a £ 
Ship’s head. 
C/1 
S 
OJ 
Ship’s 
attrac- 
Tempe- 
rature. 
Corrected 
Intensity. 
Remarks. 
tion. 
1845. 
O 
/ 
Def. N. 
/ 
Mar. 3. 
-64 20 
79 
38 
22 
38 
33 
s. by w. £ w. 
1-763 
-•055 
+ •004 
1-712 " 
Def. S. 
24 
17 
32 
s. by w. ^ w. 
1-754 
-•055 
+ •004 
1-703 
>1*706 
Table unsteady. 
Def. N.S. 
44 
12 
32 
s. by w. \ w. 
1-750 
— 055 
+ •009 
1-704 
5. 
-61 38 
84 
40 
Def. N. 
23 
02 
39 
S.E. 
1-740 
-•051 
+ •003 
1-692 A 
Def. S. 
24 
20 
40 
S.E. 
1-752 
— 051 
+ •003 
1-704 
>1*689 
Table unsteady. 
Def. N.S. 
44 
40 
41 
S.E. 
1-716 
— 051 
+ •007 
1-672 J 
6. 
-60 42 
88 
12 
Def. N. 
22 
40 
36 
N.E. \ N. 
1-761 
— 025 
+ •004 
1-740 ^ 
Def. S. 
23 
55 
36 
N.E. \ N. 
1-780 
— 025 
+ •004 
1-759 
^1-729 
Table unsteady. 
Def. N.S. 
44 
50 
35 
N.E. N. 
1-705 
—025 
+ •008 
1-688 J 
7. 
-61 20 
91 
09 
Def. N. 
22 
02 
40 
s. by E. 
1-800 
— 055 
+ •003 
1-748 1 
Def. S. 
23 
05 
41 
s. by E. 
1-831 
— 055 
+ •003 
1-779 
^1-761 
Def. N.S. 
43 
30 
42 
s. by E. 
1-805 
— 055 
+ •007 
1-757 J 
-61 26 
91 
20 
Def. N. 
22 
00 
40 
s.w. by s. 
1-801 
— 054 
+ •004 
1-751 1 
Def. S. 
23 
22 
40 
s.w. by s. 
1-812 
— 054 
+ •004 
1-762 
^1-756 
Table unsteady. 
Def. N.S. 
43 
37 
39 
s.w\ by s. 
1-800 
— 054 
+ •008 
1-754 
8. 
-61 14 
92 
03 
Def. N. 
22 
05 
39 
E. 
1-795 
— 042 
+ •004 
1-757 1 
Def. S. 
23 
37 
38 
E. 
1-796 
— 042 
+ •004 
1-758 
Def. N.S. 
wt. 1 gr. 
43 
11 
32 
17 
37 
36 
E. 
E. 
1-804 
1-890 
— 042 
—045 
+ •008 
— •002 
1-770 
1-843* 
>1-762 
Table steady. 
wt. 2 grs. 
23 
50 
35 
E. 
1-801 
— 045 
-•002 
1-754* 
wt. 21 grs. 
29 
05 
34 
E. 
1-870 
— 045 
-•002 
1-823* 
9. 
-60 35 
92 
25 
Def. N. 
22 
17 
41 
E. 
1-783 
— 045 
+ •003 
1-741 i 
Def. S. 
23 
55 
37 
E. 
1-780 
— 045 
+ •004 
1-739 
>1*745 
Table unsteady. 
Def. N.S. 
43 
40 
38 
E. 
1-791 
— 045 
+ •008 
1-754 
I 
10. 
-60 03 
95 
36 
Def. N. 
Def. S. 
20 
23 
57 
07 
36 
36 
S.E. \ S. 
S.E. \ S. 
1-867 
1-831 
— 055 
-•055 
+ •004 
+ •004 
1-816 1 
1-780 
1-798 
Very unsteady. 
11. 
-59 52 
99 
30 
Def. N. 
21 
05 
38 
E. i S. 
1-810 
—047 
+ •004 
1-767 i 
Def. S. 
22 
57 
37 
E. } S. 
1-839 
-•047 
+ •004 
1-796 
>1*770 
Very unsteady. 
Def. N.S. 
43 
45 
36 
E. i S. 
1-785 
— 047 
+ •009 
1-747 j 
1 
-59 59 
99 
39 
Def. N. 
21 
42 
40 
E. \ N. 
1-820 
-•042 
+ •004 
1-782 H 
Def. S. 
23 
32 
40 
E. i N. 
1-804 
-•042 
+ •004 
1-766 
Def. N.S. 
wt. 1 gr. 
43 
11 
25 
20 
39 
35 
E. | N. 
E. i N. 
1-813 
1-884 
-•042 
-•042 
+ •008 
-•003 
1-779 
1-839* 
>1-773 
Table unsteady 
5 P.M. 
wt. 2 grs. 
23 
42 
35 
E. } N. 
1-810 
— •042 
-•003 
1-763 
wt. 21 grs. 
30 
02 
34 
E. i N. 
1-820 
— •042 
—•003 
1-773 
13. 
-57 35 
99 
28 
Def. N.S. 
41 
05 
35 
E. by S. 
2-006 
— •047 
+ •009 
1-968 
1-968 
Very unsteady 6 p.m. 
14. 
-56 53 
101 
24 
Def. N. 
21 
15 
41 
E. by s. 
1-848 
— •047 
+ •003 
1-804 1 
Def. S. 
22 
57 
41 
e. by s. 
1-839 
— 047 
+ •003 
1-795 
>1*786 
Very unsteady. 
Def. N.S. 
43 
35 
40 
e. by s. 
1-800 
—047 
+ •007 
1-760 J 
15. 
-55 52 
103 
06 
Def. N. 
21 
15 
39 
e. by N. 
1-848 
—042 
+ •004 
1-810 1 
Def. S. 
22 
35 
39 
e. by N. 
1-864 
-■042 
+ •004 
1-826 
>1-816 
Very unsteady. 
Def. N.S. 
43 
00 
38 
e. by n. 
1-845 
-•042 
+ •008 
1-811 
16. 
-54 48 
106 
04 
Def. N. 
21 
30 
40 
N.E. 
1-832 
-•036 
+ •004 
1-800 ■') 
Def. S. 
22 
52 
40 
N.E. 
1-844 
-•036 
+ •004 
1-812 
>1*801 
Very unsteady. 
Def. N.S. 
43 
20 
39 
N.E. 
1-819 
-•036 
+ •008 
1-791 J 
17- 
-54 17 
108 
05 
Def. N. 
20 
20 
41 
S.E. 
1-912 
—•054 
+ •004 
1-862 ^ 
Def. S. 
22 
22 
41 
S.E. 
1-878 
-•054 
+ •004 
1-828 
>1-816 
Very unsteady, ship 
Def. N. 
21 
35 
40 
E. 
1-826 
— •045 
+ •004 
1-785 
pitching heavily. 
Def. S. 
23 
10 
40 
E. 
1-830 
-•045 
+ •004 
1-789 
18. 
-53 00 
110 
08 
Def. N. 
21 
37 
40 
fcr.N.E. ^ E. 
1-825 
-•034 
+ •004 
1-795 - 
Def. S. 
Def. N.S. 
22 
42 
40 
57 
40 
39 
N.N.E. \ E. 
N.N.E. ^ E. 
1-858 
1-846 
-•034 
-•034 
+ •004 
+ •008 
1-828 
1-820 
>1-814 
Very unsteady, a 
heavy swell. 
19. 
-51 20 
111 
23 
Def. S. 
Def. N.S. 
23 
43 
20 
22 
41 
41 
N.N.E. \ E. 
N.N.E. \ E. 
1-816 
1-818 
—•034 
-•034 
+ •004 
+ •004 
1-786 ■*] 
1-788 
. 1-787 
Very unsteady, a 
heavy swell. 
* Not included in the mean. 
