414 
MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
Observations of the Magnetic Force. (Continued.) 
Date. 
Lat. 
Long. 
Method 
employed. 
Yngle of 
deflec- 
tion. 
Thermo- 
meter. 
Ship’s head. 
Intensity. 
Corrections. 
Corrected 
Intensity. 
Remarks. 
Ship’s 
attrac- 
tion. 
Tempe- 
rature. 
1845. 
, 
✓ 
O 
O 
Jan. 21. 
-47 
40 
12 
25 
Def. N. 
36 
30 
43 
s. by E. 
1091 
-•041 
+ •001 
1-051 
1-051 
Very unsteady. 
oo 
-48 
35 
10 
51 
Def. N. 
36 
15 
48 
s.w. by s. 
1*101 
— •037 
+ •001 
1-065"| 
Def. S. 
37 
35 
48 
s.w. by s. 
1-104 
-•037 
+ •001 
1-068 
>1-060 
Table steady. 
Def. N.S. 
56 
28 
47 
s.w. by s. 
1-080 
-•037 
+ •003 
1-046 J 
23. 
-50 
30 
10 
25 
Def. N. 
35 
10 
43 
s.w. \ s. 
1-140 
-•036 
+ •001 
1-1 051 
Def. S. 
36 
37 
43 
s.w. \ s. 
1-141 
-•036 
+ •001 
1-106 
>1-094 
Table steady. 
Def. N.S. 
55 
47 
43 
s.w. \ s. 
1-105 
-•036 
+ •003 
1-072 J 
24. 
— 51 
48 
9 
33 
Def. N. 
34 
47 
48 
s.w. by w. 
1-154 
-•029 
+ •001 
1-1261 
Def. S. 
36 
10 
47 
s.w. by w. 
1-158 
-•029 
+ •001 
M30 
>1-120 
Table steady. 
Def. N.S. 
55 
07 
47 
s.w. by w. 
1-131 
-•029 
+ •003 
1-105J 
25. 
-52 
53 
7 
53 
Def. N. 
34 
57 
41 
s.w. by w. 
1-148 
-•029 
+ •001 
1*120 j 
Def. S. 
35 
47 
41 
s.w. by w . 
1-173 
-•029 
+ •001 
M45 
>1-122 
Rather unsteady. 
Def. N.S. 
55 
17 
40 
s.w. by w. 
1-125 
-•029 
+ •004 
1-100 J 
26. 
-53 
52 
6 
07 
Def. N. 
34 
22 
43 
w. by s. 
1-171 
— •020 
+ •001 
1*152') 
Def. S. 
35 
42 
43 
w. by s. 
1-175 
— •020 
+ •001 
1-156 
Def. N.S. 
wt. 1 gr. 
54 
18 
30 
12 
42 
41 
w. by s. 
w. by s. 
1-155 
1-185 
— •020 
-•020 
+ *003 
— •001 
1*138 
1-164 
>1*143 
Very steady. 
wt. 2 grs. 
39 
40 
40 
w. by s. 
1-138 
-•020 
-•001 
1-117 
wt. 2\ grs. 
51 
50 
41 
w. by s. 
1-155 
— •020 
— 001 
1*134 
27- 
-55 
08 
5 
50 
Def. N. 
33 
05 
39 
s.s.w. \ w. 
1-221 
-•038 
+ •002 
M85^ 
Def. S. 
35 
52 
38 
s.s.w. \ w. 
1-201 
— •038 
+ •002 
M65 
>.1*161 
Very unsteady. 
Def. N.S. 
54 
12 
37 
s.s.w. ^ w. 
1-167 
— •038 
+ •005 
M34 
30. 
-60 
43 
4 
00 
Def. N.S. 
51 
57 
35 
s. 
1-262 
-•049 
+ •006 
1-3191 
Def. N.S. 
51 
35 
34 
s.e. by e. 
1-282 
-•034 
+ •006 
1-254 
>1'240 
Table unsteady. 
Def. N.S. 
52 
22 
34 
N. 
1-246 
-•004 
+ •006 
1-248 
31. 
-61 
05 
9 
03 
Def. N. 
30 
57 
42 
s.e. by s. 
1-320 
-•044 
+ •002 
1-278"] 
Def. S. 
31 
55 
42 
s.e. bv s. 
1-339 
— •044 
+ •002 
1-297 
Def. N.S, 
51 
22 
41 
s.e. by s. 
1-294 
— •044 
+ •005 
1*255 
v 1 *OQ £ 
wt. 1 gr. 
16 
02 
41 
s.e. by s. 
1-340 
— •044 
— 001 
1-295 
wt. 2 grs. 
32 
22 
41 
s.e. by s. 
1-343 
-•044 
— 001 
1-298 
wt. 2\ grs. 
43 
02 
41 
s.e. by s. 
1-332 
-•044 
— 001 
l-287j 
Feb. 2. 
-61 
54 
16 
23 
Def. N. 
29 
57 
40 
E.S.E. 
1-368 
-•032 
+ •003 
1-3391 
Def. S. 
30 
57 
39 
E.S.E. 
1-384 
-•032 
+ •003 
1-355 
U-331 
Table unsteady. 
Def. N.S. 
50 
45 
38 
E.S.E. 
1-325 
-•032 
+ •006 
1-299 
3. 
-61 
50 
19 
13 
Def. N. 
30 
10 
41 
E.S.E. 
1-348 
-•032 
+ •002 
1*318"] 
Def. S. 
31 
20 
41 
E.S.E. 
1-366 
-•032 
+ •002 
1-336 
Def. N.S. 
wt. 1 gr. 
50 
15 
20 
05 
40 
38 
E.S.E. 
E.S.E. 
1-346 
1-420 
-•032 
-•032 
+ •006 
— •002 
1-320 
1-386 
>1-334 
Very steady. 
wt. 2 grs. 
31 
55 
38 
E.S.E. 
1-376 
-•032 
— •002 
1-342 
wt. 2\ grs. 
42 
57 
38 
E.S.E. 
1-336 
— •032 
+ •002 
1-302 
4. 
-62 
00 
20 
25 
Def. N. 
29 
30 
38 
S.S.E. 
1-388 
-•046 
+ •003 
1-345" 
Def. S. 
30 
37 
37 
S.S.E. 
1-401 
-•046 
+ •003 
1-358 
J>l-353 
Very steady. 
Def. N.S. 
49 
27 
37 
S.S.E. 
1-396 
—•046 
+ •006 
1-356 
6. 
-64 
20 
24 
05 
Def. N. 
28 
00 
37 
S.S.E. 
1-461 
—050 
+ •003 
1-414- 
Def. S. 
29 
57 
37 
S.S.E. 
1-435 
— 050 
+ •003 
1-388 
Def. N.S. 
wt. 1 gr. 
49 
14 
02 
17 
37 
36 
S.S.E. 
S.S.E. 
1-422 
1-499 
-•050 
— •050 
+ •007 
— •002 
1-379 
1-447 
>1*401 
Very steady. 
wt. 2 grs. 
30 
00 
36 
S.S.E. 
1-454 
-•050 
-•002 
1-402 
wt. 24- grs. 
39 
40 
36 
S.S.E. 
1-425 
-•050 
— •002 
1-373 
7 
— 65 
34 
28 
30 
Def. N. 
27 
37 
41 
S.S.E. \ E. 
1-481 
—049 
+ •002 
1-434- 
Def. S. 
28 
57 
42 
S.S.E. \ E. 
1-486 
-•049 
+ •002 
1-439 
>1-432 
Very steady. 
Def. N.S. 
48 
17 
42 
S.S.E. \ E. 
1-466 
-•049 
+ •005 
1-422 
9 
.-66 
3( 
36 
46 
Def. N. 
26 
52 
34 
E. 
1-519 
—•026 
+ •004 
1-4971 
Def. S. 
28 
35 
33 
E. 
1-506 
—•026 
+ •004 
1-484 
>1-482 
Very steady. 
Def. N.S. 
48 
00 
32 
E. 
1-483 
—•026 
+ •008 
1-465 
. 
10 
-66 
41 
38 
49 
Def. N. 
26 
15 
34 
S.S.W. 
1-553 
-•050 
+ •004 
1-5071 
Def. S. 
28 
00 
34 
S.S.W. 
1-538 
-•050 
+ •004 
1-492 
>1-491 
Very steady. 
Def. N.S. 
47 
30 
34 
S.S.W. 
1-516 
-•050 
+ •007 
1-473 J 
f 
