MAGNETIC SURVEY OF A PART OF THE SOUTHERN HEMISPHERE. 
431 
Observations of the Magnetic Inclination taken on board Her Majesty’s Ship Erebus, 
by Captain Sir James Clark Ross, with Needle F. 1., between the Cape of Good 
Hope and Kerguelen Island. 
Corrections. 
Date. 
Lat. 
Long. 
Method 
employed. 
Observed 
Inclination. 
Ship’s head. 
Ship’s 
attrac- 
Index. 
Corrected 
Inclination. 
Remarks. 
tion. 
1840. 
April 7. 
O 
-35 
/ 
14 
18 27 
Direct. 
S. 
— 54 23 
— 54 30 
s. by E. 
/ 
-04 
/ 
— 2*0 
o / 
> -54 32 
8. 
— 35 
48 
18 47 
Direct. 
— 54 34 
E.S.E. 
S. 
Direct. 
-54 39 
— 54 38 
w. by s. 
+ 23 
-2*0 
y — 54 18 
S. 
— 54 47 
9. 
-36 
00 
19 00 
Direct. 
S. 
-55 42 
-56 10 
+ 34 
-2-0 
' 
■ -55 24 
10. 
-36 
07 
20 55 
Direct. 
S. 
— 55 49 
-55 51 
s.e. by s. 
+ 02 
— 2-0 
' 
■ -55 50 
11. 
-36 
29 
21 16 
Direct. 
-55 30 
s. 
' 
S. 
S.N. 
-55 36 
— 55 26 
-10 
— 2-0 
>-55 38 
N. 
-55 14 
12. 
-37 
19 
21 37 
Direct. 
-55 27 
s. 
7 
S. 
-56 01 
Direct. 
-55 42 
-10 
— 2-0 
> — 56 03 
S. 
-56 11 
Direct. 
— 55 56 
13. 
-38 
11 
22 00 
Direct. 
S. 
— 55 41 
-56 09 
w.s.w. 
+ 22 
-2*0 
j 
> — 55 35 
Much motion. 
14. 
-40 
05 
20 38 
Direct. 
S. 
-56 27 
-56 19 
S.S.E. 
-08 
-2-0 
. -56 33 
15. 
-40 
29 
22 22 
Direct. 
S. 
-57 13 
-57 28 
s.e. by s. 
-06 
—2-0 
> -57 28 
16 . 
— 41 
24 
25 00 
Direct. 
— 58 00 
s.e. by s. 
S. 
S.N. 
-58 24 
— 58 11 
-08 
— 20 
>-58 21 
N. 
-58 11 
17- 
— 41 
47 
26 38 
Direct. 
S. 
— 58 22 
— 58 31 
S.S.E. 
— 15 
_ 2-0 
. —58 43 
18. 
-43 
02 
28 36 
Direct. 
S. 
-59 01 
-59 20 
S.S.E. 
-19 
— 2*0 
■ -59 31 
-43 
07 
28 43 
S.N. 
— 59 20 
1 
N. 
-59 21 
-20 
-2-0 
> — 59 37 
Direct. 
-59 05 
f. 
19. 
-44 
19 
31 06 
Direct. 
S. 
-60 30 
-60 13 
s. by E. 
-29 
— 2-0 
. -60 52 
20. 
-45 
40 34 08 
Direct. 
S. 
-61 41 
-62 01 
S.S.E. 
-30 
— 2-0 
. —62 23 
21. 
-46 
59 37 14 
Direct. 
S. 
-63 28 
—63 32 
s.e. by s. 
-28 
— 2-0 
5 
. -64 00 
22. 
-47 
00 
38 14 
Direct. 
S. 
—63 52 
— 64 06 
s.e. by s. 
-29 
-2-0 
; 
^ -64 30 
23. 
-46 
46 
42 23 
Direct. 
-64 59 
s.e. by s. 
l 
Much motion. 
S. 
-65 32 
-32 
—2-0 
>.-65 47 
24. 
-47 
01 
46 10 
Direct. 
Direct. 
S. 
—65 09 
-66 18 
-66 20 
S.E. £ E. 
-15 
-2-0 
f 
. -66 36 
Very steady. 
26. 
-46 
41 
50 52 
Direct. 
S. 
-67 00 
-67 06 
s.e. by s. 
-36 
—2-0 
. -67 41 
28. 
-46 
28 
52 31 
Direct. 
S. 
-67 31 
-67 32 
w.s.w. 
+ 03 
-2-0 
5 
-67 30 
3 k 2 
