L1EUT.-C0L0NEL SABINE ON TERRESTRIAL MAGNETISM. 
177 
Declinations observed on board Her Majesty’s Ship Erebus between November 15, 
1840, and April 6, 1841. 
The Observers are distinguished in the column of Initials as follows : — R. Captain Ross ; S. Lieut. Sibbald ; 
W. Lieut. Wood ; T. Mr. Tucker, Master ; Sm. Mr. Smith, and O. Mr. Oakley, Mates ; Y. Mr. Yule, 
Second Master. East Declination is characterised by the sign — . 
Position. 
Declination 
Direction of 
Correction 
Corrected 
Mean 
J3 
e3 
1840. 
T, 
Inclination. 
for ship’s 
attraction. 
Lat. 
Long. 
j observed. 
ship’s head. 
Declination 
Declination. 
a 
<v 
« 
O / 
O / 
o , 
O / 
Nov. 15. p.m 
— 45 33 
152 49 
R. 
— 8 55 
E.S.E. 
' - 4 39 
— 13 34 
-45 33 
152 49 
T 
. 
— 8 37 
E.S.E. 
- 4 39 
-13 16 
— 45 33 
152 49 
R 
— 8 23 
E.S.E. 
- 4 39 
— 13 02 
-45 33 
152 49 
T 
— 8 25 
E.S.E. 
> —71 40< 
- 4 39 
-13 04 ( 
-12 49 r 
-13 09 
— 45 38 
152 55 
! Sm. 
— 8 10 
E.S.E. , r 
- 4 39 
— 45 38 
152 55 
R 
- 8 32 
E.S.E. 
- 4 39 
— 13 11 
-45 38 
152 55 
R 
— 8 22 
E.S.E. 
- 4 39 
-13 01 
— 45 40 
153 02 
It 
— 8 40 
E.S.E. J 
- 4 39 
-13 19 J 
1 6 A.M. 
— 46 05 
154 11 
T 
— 8 31 
s.E.byE. ^-eY 
- 4 34 
-13 05^ 
-46 05 
154 11 
Y. 
— 8 39 
s.E.byE. -g-E. 
— 4 34 
-13 13 
-46 05 
154 11 
S 
— 8 56 
s.E. by e. 
— 4 23 
-13 19 1 
-46 09 
— 46 09 
154 14 
154 14 
s 
Y 
- 9 17 
- 9 23 
s.e. byE. -g-E. 
s.e. by e. y e. r 
► —72 04<; 
— 4 34 
— 4 34 
— 13 51 1 
-13 57 f 
-13 38 
— 46 09 
154 14 
T 
- 9 40 
s.e. by e. J e. 
— 4 34 
— 14 14 
-46 09 
154 14 
T. 
- 8 31 
s.e. by e. \ e. 
1 
— 4 34 
-13 05 
— 46 15 
154 28 
S. 
- 9 50 
s.E.byE.-g-E. J 
l 
— 4 34 
-14 24 J 
16 P.M. 
-46 30 
154 54 
T 
-13 29 
N. 
0 00 
-13 29^ 
-46 30 
154 54 
S. 
— 14 55 
n. by e. 
— 0 46 
— 15 41 
-46 30 
154 54 
T 
— 12 57 
N.N.E. 
— 1 30 
-14 27 
-46 30 
154 54 
T 
— 8 05 
s.e. byE. -§-e. > 
-72 04<j 
- 4 34 
-i2 39 y 
— 13 58 
— 46 30 
154 54 
R 
- 9 12 
s.e. by e. e. 
— 4 34 
-13 46 
— 46 30 
154 54 
R. 
- 9 15 
s.E.byE. 4 e. 
— 4 34 
-13 49 
— 46 32 
155 01 
T. 
- 9 19 
s.E.byE. 4 e. 
— 4 34 
— 13 53 J 
18 P.M. 
-49 36 
160 52 
R. 
— 13 11 
E.S.E. 
— 49 42 
160 56 
R. 
-12 27 
E.S.E. 
-49 48 
161 00 
R. 
-11 49 
E.S.E. 
-49 49 
-49 49 
161 00 
161 00 
T. 
T. 
— 12 18 
-12 03 
E.S.E. 1 
E.S.E. | 
-74 00 
- 5 19 
-17 16 
— 17 16 
r • 
hO 
-49 49 
1 6 1 00 
T. 
— 12 06 
E.S.E. 
— 49 52 
161 08 
R. 
— 11 18 
E.S.E. 
■5 . 
Dec. 5. a.m. 
-49 52 
— 50 32 
16! 08 
1 66 12 
S. 
-10 27 
E.S.E. 
4 4 05 
-18 24 
'tS O 
1? 
St O'* 
3* G* 
3* O' * 
1 1 
s.w. 
+ 4 05 
-18 21 
<y £ 
iit ancnor. 
• . . 
. 
s.w. 
-17 49 
C 41 
° 43 
— 17 44 
T2 
OJ '+-> 
> ° 
P.M. 
Auckland Island. 
R.< 
— 17 45 
^Observed ~l 
on shore. J 
-17 44-1 
< if 
-50 32, 
166 12 
— 17 42 
c | 
— 17 43 
-L> !u 
— 17 42 
.1 ^ 
At anchor. 
— 16 44 
s. 
0 00 
-16 44"') 
o 
At anchor. 
— 16 20 
s.s.w. 
+ 2 17 
— 14 03 
8 P.M. 
At anchor. 
T. 
— 20 26 
N.N.W. 
+ 1 39 
-18 47 
o 
At anchor. 
T. 
—22 35 
N.W. 
+ 3 10 
-19 25 
"3 
At anchor. 
T. 
— 20 17 
N.N.W. 
+ 1 39 
-18 38 
o 
At anchor. 
W. 
-19 56 
N.N.W. 4 W. 
+ 2 03 
— 17 53 
o ^ 
At anchor. 
T. 
-19 54 
N.N.W. 
+ 1 39 
-18 15 
O 5 
At anchor. 
T. 
-15 38 
N.N.E. 
- 1 39 
-17 17 
C 
At anchor. 
T. 
— 15 46 
N.E. 
— 3 10 
-18 56 
8 g 
At anchor. 
T. 
— 13 36 
E.N.E. 
- 4 23 
-17 59 
fl 
c3 
At anchor. 
T. 
— 12 52 
E. 
— 73 1 5 <| 
— 5 05 
-17 57 y 
-17 53 
