420 MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE 
Observations of the Magnetic Force. (Continued.) 
Angle of 
deflec- 
tion. 
Corrections. 
Date. 
Lat. 
Long. 
Method 
employed. 
Thernn 
meter 
Ship’s head. 
s 
Ship’s 
attrac- 
Tempe- 
rature. 
Corrected 
Intensity. 
Remarks. 
tion. 
1845. 
O / 
O 
May 21. 
-21 02 
66 02 
Def. N. 
33 40 
76 
w. by N. 
1-201 
-•013 
-•001 
1-187 " 
Def. S. 
34 40 
76 
w. by n. 
1-216 
— •013 
-•001 
1-202 
Def. N.S. 
53 15 
76 
w. by N. 
1-201 
— •013 
— •004 
1-184 
>1-181 
Table steady. 
wt. 1 gr. 
18 22 
76 
w. by n. 
1-175 
-•013 
+ •001 
1-163 
wt. 2 grs. 
37 37 
76 
w. by n. 
1-191 
—•013 
+ •001 
1-179 
wt. 2 ^ grs. 
50 20 
76 
w. by n. 
1-182 
—•013 
+ •001 
1-170 
23. 
-20 31 
59 42 
Def. N. 
33 47 
77 
w. by n. 
1-194 
— •013 
— •001 
1-180 " 
Def. S. 
35 30 
77 
w. by n. 
1-185 
— •013 
-•001 
1-171 
>1-171 
Very unsteady. 
Def. N.S. 
53 55 
78 
w. by n. 
1-179 
-•013 
-•004 
1-162 
27- 
— 20 05 
57 31 
jnuis. 
Def. N. 
34 58 
35 52 
55 32* 
19 01 
38 12 
81 
1-147 
1-170 
1-115 
1-135 
— •002 
1-145 
Port T 
Def. S. 
81 
^Observed 
on shore. 
— •002 
1-168 
Mauritius. 
Def. N.S. 
wt. 1 gr. 
wt. 2 grs. 
Def. N. 
81 
81 
— •004 
1-111* 
>*1-156 
Lieut. Moore, 
R.N., observe?. 
+ •001 
+ •001 
-•002 
1-136 
81 
1-175 
1-208 
1-176 
1-182 " 
30. 
-21 44 
53 34 
33 27 
80 
w.s.w. \ w. 
-•024 
Def. S. 
34 40 
82 
w.s.w. ^ w. 
1-219 
— •024 
-•002 
M93 
>1-179 
Very unsteady. 
Def. N.S. 
53 37 
82 
w.s.w. \ w. 
1-192 
— •024 
-•005 
M63 
I 
June 2. 
-26 25 
49 12 
Def. N. 
34 27 
79 
N.w. by w. 
1-168 
—•005 
-•002 
1-161 ^ 
. 
Def. S. 
35 47 
79 
n.w. by w. 
1-173 
— •005 
-•002 
1-166 
>1-160 
Very unsteady. 
Def.- N.S. 
54 22 
79 
n.w. by w. 
1-161 
-•005 
-•004 
1-152 
4. 
-27 12 
46 09 
Def. N. 
34 45 
68 
w. by s. 
1-156 
-•024 
-•001 
1-131 1 
Def. S. 
36 20 
68 
w. by s. 
1-152 
— •024 
-•001 
1-127 
>1-129 
Unsteady. 
Def. N.S. 
54 30 
68 
w. by s. 
1-155 
-•024 
-•001 
1-130 
r 
5. 
—28 24 
43 00 
Def. N. 
34 55 
74 
w. 
1-150 
—•020 
-•001 
1-129 " 
Def. S. 
36 30 
74 
w. 
1-145 
-•020 
-•001 
1-124 
>1-125 
Very unsteady, 
Def. N.S. 
54 45 
76 
w. 
1-145 
-•020 
-•003 
1-122 
6. 
-28 44 
42 01 
Def. N. 
35 47 
73 
W.N.W. 
1-116 
-•009 
-•001 
1-106 1 
Def. S. 
36 55 
76 
W.N.W. 
1-129 
-•009 
-•001 
1-119 
>1-117 
Very unsteady. 
Def. N.S. 
54 55 
78 
W.N.W. 
1-139 
-•009 
-•003 
1-127 J 
7- 
-28 35 
40 24 
Def. N. 
34 47 
73 
W. | N. 
1-156 
-•017 
-•001 
M38 n 
Def. S. 
36 40 
74 
W. | N. 
1-138 
— •017 
— •001 
M20 
>1-128 
Very unsteady. 
Def. N.S. 
54 47 
74 
W. i N. 
1-145 
— ■017 
-•003 
1-125 
\ 
8. 
-28 57 
37 52 
Def. N. 
35 42 
72 
w. 
1-120 
— •020 
-•001 
1-099 ) 
Def. S. 
37 47 
76 
W. 
1-095 
— •020 
-•001 
1-074 
Def. N.S. 
wt. 1 gr. 
55 10 
19 45 
78 
80 
w. 
w. 
1-128 
1-100 
-•020 
—•020 
-•004 
+ •002 
1-104 
1-082 
>1-094 
Table steady, nearly 
calm. 
wt. 2 grs. 
40 30 
80 
w. 
1-118 
-•020 
+ •002 
1-100 
wt. 2f grs. 
53 57 
82 
w. 
1-125 
-•020 
+ •002 
1-107 _ 
12. 
-30 33 
33 19 
Def. N. 
36 17 
66 
W.N.W. 
1-098 
-•009 
-•001 
1-088 1 
Def. S. 
37 40 
66 
W.N.W. 
1-100 
-•009 
*001 
1-090 
>1-085 
Table unsteady. 
Def. N.S. 
56 15 
66 
W.N.W. 
1-086 
-•009 
-.001 
1-076 
13. 
-31 06 
31 34 
Def. N. 
36 27 
65 
w. by s. i s. 
1-093 
—•026 
—•001 
1-066 A 
Def. S. 
37 52 
65 
w. by s. \ s. 
1-093 
—•026 
-•001 
1-066 
>1-061 
Table ateady. 
Def. N.S. 
56 32 
67 
w. by s. \ s. 
1-078 
-•026 
-•001 
1-051 
14. 
-33 01 
29 36 
Def. N. 
36 57 
71 
w. 
1-075 
—•020 
-•001 
1-054 1 
Def. S. 
38 35 
72 
w. 
1-067 
—•020 
-•001 
1-046 
>1-046 
Table unsteady. 
Def. N.S. 
56 57 
73 
w. 
1-062 
—•020 
— •003 
1-039 
15. 
-34 31 
27 04 
Def. N. 
36 40 
74 
W. \ N. 
1-085 
—•014 
-•001 
1-070 ] 
Def. S. 
38 42 
76 
W. i N. 
1-063 
—•014 
-•001 
1-048 
Def. N.S. 
56 47 
78 
W. \ N. 
1-067 
— •014 
-•004 
1-049 
>1-059 
Table very unsteady, 
long heavy Bwell. 
wt. 1 gr. 
19 47 
80 
W. A N. 
1-092 
— •014 
+ •001 
1-079 
wt. 2 grs. 
45 02 
80 
W. A N. 
1-027 
-•014 
+ •001 
l-014f 
wt. 2\ grs. 
58 57 
82 
W. A N . 
1-063 
-•014 
+ •001 
1-050 J 
* Probably the degree is erroneous ; the result is not included in the mean. 
f Not included. 
