MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE 
419 
Observations of the Magnetic Force. (Continued.) 
Date. 
Lat. 
Lon 
s* 
Method 
employed. 
Angle of 
deflec- 
tion. 
Thermo- 
meter. 
Ship’s head. 
Intensity. 
Corrections. 
Corrected 
Intensity. 
Remarks. 
Ship’s 
attrac- 
tion. 
Tempe- 
rature. 
1845. 
May 10. 
-20 
26 
82 
22 
Def. N. 
31 
37 
77 
W. \ N. 
1*288 
— 
•014 
-•001 
1*273^ 
Def. S. 
33 
15 
78 
w. ! N. 
1*277 
— 
•014 
— •001 
1*262 
Def. N.S. 
52 
10 
80 
W. ^ N. 
1*260 
•014 
-•005 
1-241 
>1*257 
Very unsteady. 
Def. N. 
31 
35 
75 
W. i N. 
1*289 

•016 
-•001 
1*272 
Def. S. 
33 
27 
75 
W. A N. 
1*269 
— 
•016 
— •001 
1-252 
W. Burdon, Esq., 
Def. N.S. 
52 
07 
74 
W. A N. 
1*260 
— 
•016 
-*003 
1*241 J 
R.N., observer. 
1 1~ 
-20 
36 
79 
22 
Def. N. 
31 
52 
77 
W. A N . 
1*274 
— 
•016 
— *001 
1*2571 
Def. S. 
33 
37 
77 
W. A N. 
1*262 

■016 
-*001 
1*245 
W. Burdon, Esq., 
Def. N.S. 
52 
07 
78 
W. A n. 
1*260 
•016 
-•005 
1*239 
^1*247 
R.N., observer. 
Def. N. 
31 
52 
78 
W. A N. 
1*274 

•016 
-•002 
1*256 
Table unsteady. ■ 
Def. S. 
33 
40 
77 
W. A N . 
1*260 
— 
•016 
— •002 
1*242 
Def. N.S. 
52 
00 
78 
W. A N . 
1*262 
— 
•016 
— •005 
1*241 
12. 
-20 
44 
78 
31 
Def. N.S. 
52 
17 
84 
w. 
1*249 
— 
•018 
-•006 
1*225] 
Def. N.S. 
52 
20 
86 
W.N.W. 
1*248 
— 
•004 
-•006 
1*238 
Def. N.S. 
52 
32 
88 
N.W. 
1*239 
+ 
•008 
-•006 
1*241 
Def. N.S. 
52 
50 
91 
N.N.W. 
1*226 
+ 
•006 
— •008 
1*224 
Def. N.S. 
51 
20 
80 
S. 
1*296 
•046 
-•005 
1*245 
>1*238 
Table very unsteady, 
Def. N.S. 
51 
22 
82 
s.s.w. 
1*294 
— 
•043 
-•005 
1*246 
calm.[. ( 
Def. N.S. 
51 
30 
82 
s.w. 
1*287 
— 
•037 
-*005 
1-245 
Def. N.S. 
51 
55 
83 
w.s.w. 
1*267 
— 
•026 
-*005 
1*236 
Def. N.S. 
52 
25 
82 
N.N.E. 
1*242 
+ 
•006 
-*005 
1*243 
I 
13. 
-20 
39 
77 
43 
Def. N.S. 
52 
42 
77 
w. 
1 *227 
•018 
-•004 
1*2051 
Def. N.S. 
52 
15 
77 
N.W. 
1*250 
+ 
•008 
-•004 
1*254 
Def. N.S. 
Def. N.S. 
52 
52 
32 
22 
77 
77 
N. 
N.E. 
1*239 
1*247 
+ 
+ 
•008 
•008 
-•004 
-^•004 
1*243 
1*251 
>1*237 
Very unsteady ; 
calm. 
Def. N.S. 
52 
07 
78 
E. 
1*260 
— 
•018 
— •005 
1*237 
Def. N.S. 
51 
45 
77 
S.E. 
1*275 
— 
•037 
-•004 
1*234 
14. 
-20 
29 
76 
22 
Def. N. 
32 
27 
76 
■ W. } N. 
1*249 
— 
•016 
— •001 
1*232^ 
Def. S. 
33 
52 
76 
W. A N. 
1*252 
— 
•0 1 6 
-•001 
1-235 
Def. N.S. 
52 
50 
76 
W. \ N. 
1*226 

•016 
-•004 
1-206 
>1*222 
Very unsteady. 
Def. N. 
33 
20 
76 
W. \ N. 
1*212 
— 
•016 
-•001 
1*195 
Def. S. 
33 
37 
76 
W. A N. 
1*262 
— 
•016 
— •001 
1-245 
W. Burdon, Esq.j 
Def. N.S. 
52 
30 
75 
W. A N . 
1*238 
— 
•016 
-•004 
1*218^ 
R.N., observer. 
16. 
-20 
28 
70 
46 
Def. N. 
32 
45 
78 
W. A N . 
1*236 
— 
•017 
-•002 
1-217* 1 
Def. S. 
34 
05 
78 
W. A N. 
1*200 
— 
•017 
-*002 
1*181 
>1*199 
Table steady. ; 
Def. N.S. 
52 
55 
78 
W. A N. 
1*222 
— 
•017 
— •005 
1*200^ 
I 
18. 
— 21 
06 
68 
12 
Def. N. 
32 
57 
80 
W.S.W. 
1*227 
— - 
•026 
— •002 
1*199^ 
Def. S. 
34 
37 
80 
w.s.w. 
1*221 
— 
•026 
-*002 
M93 
>1*191 
Very unsteady. 
Def. N.S. 
53 
10 
83 
w.s.w. 
1*212 
— 
•026 
-*005 
1*181^ 
. • 
19- 
-21 
11 
67 
54 
Def. N. 
33 
12 
75 
N.w. by n. 
1*217 
— 
•001 
-•001 
1*215^ 
Def. S. 
34 
45 
76 
n.w. by n. 
1*215 
— 
•001 
.-•001 
1-213 
Def. N.S. 
53 
10 
75 
N.w. by n. 
1*212 
— 
•001 
-*004 
1*207 
> 
wt. 1 gr. 
18 
00 
75 
n.w. by n. 
1*197 
— 
•001 
+ •001 
M97 
vvt. 2 grs. 
37 
52 
75 
n.w. by n. 
1*183 
— 
•001 
+ *001 
1*183 
;>1*203 
Table steady, nearly 
wt. 2|- grs. 
49 
32 
75 
n.w. by n. 
1*196 
— 
•001 
+ ■001 
M96 
a calm. 
Def. N. 
33 
37 
75 
n.w. by n. 
1*202 
— 
•001 
-•001 
1*200 
Def. S. 
34 
45 
76 
n.w. by n. 
1*215 
— 
•001 
-•001 
1*213 
W. Burdon, Esq., 
Def. N.S. 
53 
20 
75 
N.w. by n. 
1*204 
— 
•001 
-•004 
1*199 
R.N., observer. 
20. 
-21 
12 
67 
29 
Def. N. 
33 
25 
76 
w. by n. 
1*200 
— 
•013 
-•001 
1*1861 
Def. S. 
34 
45 
77 
w. by n. 
1*215 
— 
•013 
-•001 
1*201 
Def. N.S. 
Def. N. 
53 
33 
05 
32 
79 
81 
w. by n. 
w. by n. 
1*214 
1*205 
— 
•013 
•013 
-•005 
-*002 
1*196 
1*190 
>1*201 
Table steady. 
Def. S. 
34 
02 
81 
w. by n. 
1*243 
— 
•013 
— -002 
1*228 
W. Burdon, Esq., 
Def. N.S. 
52 
55 
81 
w. by n. 
1*223 
— 
•013 
-•005 
1-205 
R.N., observer. 
