554 
MR. A. W. RtrCKER AXD DR. T. E. THORPE OX A MAGNETIC 
Latitudes of tlie points of intersection with given lines of Longitude of the Isoclinals 
deduced from the 1891 Survey, and from the mean of the 1886 and 1891 Surveys. 
Longitude. 
67° 
i 68° 
69° 
70° 
71° 
1 
1 72° 
1 
low. 
O / 
j O 1 
o / 
52 8 
52 7 
53 51 
53 49 
1 
1 ° ' 
1 
O t 
I 
1 
9 
52 19 
52 19 
54 2 
54 1 
1 
! 
o 
52 .30 
54 13 
52 30 
54 12 
52 41 
54 24 
56 13 
57 59 
/ 
52 41 
54 23 
56 10 
57 59 
52 52 
54 85 
56 24 
58 10 
0 
52 52 
54 35 
56 21 
58 11 
49 56 
51 26 
53 3 
54 46 
56 35 
58 21 
O 
49 55 
51 27 
53 3 
54 46 
56 33 
58 22 
50 7 
51 37 
53 14 
54 57 
56 46 
58 32 
4 
50 7 
51 38 
53 15 
54 57 
56 44 
58 33 
50 18 
51 48 
53 25 
55 8 
56 57 
58 43 
o 
50 18 
51 49 
53 26 
55 8 
56 56 
58 44 
50 29 
51 59 
53 36 
55 19 
57 8 
50 29 
52 0 
53 38 
55 19 
57 7 
t 
50 40 
52 10 
53 47 
55 30 
i 
50 40 
52 12 
53 49 
55 31 
1 
50 51 
52 21 
53 58 
1 
u 
50 52 
52 23 
54 0 
1 
1 
1 
51 2 
52 32 
1 
i Ij. 
51 3 
52 35 
*) 
51 13 
51 15 
i 
} 
i 
