MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
415 
Observations of the Magnetic Force. (Continued.) 
Corrections. 
Angle of 
deflec- 
tion. 
0 .• 
Date. 
Lat. 
Long. 
Method 
employed. 
c a 
0 « 
Ship’s head. 
c 
0 
Ship’s 
attrac- 
Tempe- 
rature. 
Corrected 
Intensity. 
Remarks. 
tion. 
1845. 
Feb. 11. 
— 67 35 
39 31 
Def. N. 
26 
35 
33 
N.E. 
1-534 
-•016 
+ •004 
1-522 
Def. S. 
27 
55 
32 
N.E. 
1-544 
-•016 
+ •004 
1-532 >1-519 
Very unsteady. 
Def. N.S. 
47 
35 
31 
N.E. 
1-510 
—016 
+ •008 
1-502 
12. 
— 66 45 
39 23 
Def. N. 
26 
12 
37 
S.S.E. 
1-556 
—049 
+ •003 
1-510 ^ 
Def. S. 
28 
17 
37 
S.S.E. 
1-522 
— '049 
+ •003 
1-476 
>1-494 
Very unsteady. 
Def. N.S. 
47 
12 
37 
S.S.E. 
1-537 
-•049 
+ •007 
1*495 _ 
13. 
-67 00 
40 07 
Def. N. 
26 
22 
37 
F..N.E. 
1-547 
—025 
+ •003 
1-525 
Def. S. 
28 
10 
36 
E.N.E. 
1-529 
— 025 
+ •003 
1-507 
Def. N.S. 
47 
42 
35 
E.N.E. 
1-504 
-•025 
+ •007 
1-486 
>1-499 
Table steady. 
wt. 1 gr. 
14 
00 
32 
E.N.E. 
1-529 
-•025 
-•002 
1-502 
wt. 2 grs. 
28 
17 
32 
E.N.E. 
1-534 
— 025 
— •002 
1-507 
wt. 24 grs. 
37 
27 
32 
E.N.E. 
1-496 
-•025 
-•002 
1-469 
16. 
-64 52 
38 37 
Def. N. 
27 
10 
37 
S. f E. 
1-504 
—053 
+ •003 
1-454 
1-470 
Very unsteady. 
Def. S. 
28 
02 
37 
S. | E. 
1-536 
-•053 
+ •003 
1-486 
17. 
-64 52 
40 12 
Def. N. 
27 
34 
38 
n. by W. 
1-488 
-•019 
+ •003 
1-472 1 
Def. S.- 
29 
12 
38 
n. by w. 
1-473 
-•019 
+ •003 
1-457 
Ll-463 
Very unsteady. 
Def. N.S. 
48 
10 
38 
N. bv w. 
1-473 
—019 
+ ■006 
1-460 
18. 
-64 22 
40 49 
Def. N. 
26 
52 
38 
S. bv E. 
1-519 
-•053 
+ •003 
1-469 
1-460 
Very unsteady. 
Def. S. 
28 
42 
37 
s. by E. 
1-500 
— •053 
+ •003 
1-450 
19. 
-63 49 
42 00 
Def. N. 
28 
35 
39 
e. by s. 
1-431 
-•053 
+ •003 
1-399 *] 
Def. S. 
29 
47 
37 
E. bv s. 
1-443 
— •035 
+ •003 
1-411 
>1-416 
Very unsteady. 
Def. N.S. 
48 
15 
36 
E. by s. 
1-468 
— •035 
+ •006 
1-439 
1 
£0. 
-63 22 45 35 
Def. S. 
29 
02 
44 
s.e. by e.-T e. 
1-482 
-•049 
+ •002 
1-435 1 
1-437 
Very unsteady. 
Def. N.S. 
48 
00 
45 
s.e. by e.^-e. 
1-483 
—049 
+ •005 
1-439 
21. 
-63 36 46 41 
Def. N. 
27 
00 
42 
S.S.E. 
1-512 
-•049 
+ •002 
1-465 -] 
Def. S. 
28 
37 
41 
S.S.E. 
1-505 
-•049 
+ •002 
1-458 
>1-457 
Table unsteady. ; 
Def. N.S. 
47 
52 
41 
S.S.E. 
1-491 
-•049 
+ •006 
1-448 
24. 
—62 36 
51 40 
Def. N.S. 
47 
54 
36 
E. 
1-490 
— •031 
+ •007 
1-466 
Def. N. 
26 
45 
36 
E. 
1-526 
-•031 
+ •003 
1-498 
>1-466 
Very unsteady. j 
Def. S. 
29 
27 
34 
E. 
1-460 
— 031 
+ •004 
1-433 
25. 
-61 25 
53 38 
Def. N. 
27 
05 
40 
E.S.E. 
1-507 
-•039 
+ •003 
1-471 ^ 
Def. S. 
28 
32 
39 
E.S.E. 
1-510 
-•039 
+ •003 
1-474 
> 1-476 
Unsteady. 
Def. N.S. 
47 
30 
38 
E.S.E. 
1-516 
-•039 
+ •006 
1-483 
26. 
-61 17 
57 28 
Def. N. 
25 
30 
41 
S.E. \ E. 
1-595 
— •044 
+ •002 
1-553 1 
Def. S. 
27 
30 
42 
S.E. \ E. 
1-566 
-•044 
+ •002 
1-524 
>.1-535 
Table unsteady. 
Def. N.S. 
46 
45 
44 
S.E. \ E. 
1-567 
-•044 
+ •005 
1-528 
27. 
-61 00 
64 03 
Def. N. 
25 
17 
37 
S.E. -5- S. 
1-607 
-•050 
+ •003 
1-560 " 
Def. S. 
26 
30 
36 
S.E. -5- S. 
1-622 
-•050 
+ •004 
1-576 
>1-553 
Table steady. 
Def. N.S. 
46 
47 
35 
S.E. \ S. 
1-564 
-•050 
+ •008 
1-522 
28. 
-61 36 
70 46 
Def. N. 
24 
22 
40 
S.S.E. 
1-660 
— •052 
+ •003 
1-611 ^ 
Def. S. 
25 
57 
39 
S.S.E. 
1-654 
-•052 
+ •003 
1-605 
}>l-604 
Table unsteady. 
Def. N.S. 
45 
42 
38 
S.S.E. 
1-640 
-•052 
+ •007 
1-595 
Mar. 1. 
-62 10 
72 25 
Def. N. 
23 
10 
44 
S.S.E. 
1-731 
— •052 
+ •002 
1-681 ' 
, 
Def. S. 
25 
37 
44 
S.S.E. 
1-674 
— •052 
+ •002 
1-624 
Def. N.S. 
wt. 1 gr. 
44 
11 
50 
37 
44 
44 
S.S.E. 
S.S.E. 
1-705 
1-837 
-•052 
-•052 
+ '005 
-•001 
1-658 
1-784* 
>1-657 
Table steady. 
wt. 2 grs. 
25 
00 
43 
S.S.E. 
1-719 
-•052 
-•001 
1-666 
wt. grs. 
32 
12 
43 
S.S.E. 
1-708 
— •052 
-•001 
1-655 
2. 
-62 40 
76 09 
Def. N. 
23 
50 
42 
S. 
1-693 
— *056 
+ •002 
1-639 - 
Def. S. 
25 
10 
42 
S. 
1-699 
-•056 
+ •002 
1-645 
Def. N.S. 
wt. 1 gr. 
44 
11 
45 
35 
41 
39 
S. 
S. 
1-710 
1-838 
-•056 
— •056 
+ •006 
-•001 
1-660 
1-781* 
>1-656 
Very steady. 
wt. 2 grs. 
24 
47 
39 
S. 
1-733 
— •056 
-•001 
1-676 
wt. 2y grs. 
32 
00 
39 
S. 
1-718 
-•056 
-•001 
1-661 
* Not included in the mean ; angle of deflection become too small. 
3 h 2 
