SURVEY OF THE BRITISH ISLES FOR THE EPOCH JANUARY 1, 1891. 553 
Latitudes of the points of intersection with given Lines of Longitude of Lines of 
Equal Horizontal Force deduced from the 1891 Survey and from the mean of 
the 1886 and 1891 Surveys. 
LoDgitade. 
1-8.5. 
1-80. 
1-75. 
1-70. 
1-65. 
1-60. 
1-55. 
o 
10 W. 
O / 
0 / 
o / 
51 46 
51 50 
5°3 5 
53 5 
54 24 
54 26 
1 
o t 
O / 
9 
51 55 
51 58 
53 14 
.53 14 
54 34 
54 35 
8 
52 4 
52 6 
53 23 
53 23 
54 44 
54 44 
56 5 
56 5 
57 21 
57 24 
7 
52 12 
52 14 
53 31 
53 31 
54 .53 
54 53 
56 14 
56 14 
57 32 
57 33 
6 
51 7 
51 10 
.52 21 
52 23 
53 40 
53 40 
5.5 2 
55 2 
56 25 
56 23 
57 43 
57 43 
.5 
50 7 
60 7 
51 17 
51 18 
52 30 
52 31 
53 49 
53 49 
55 12 
55 11 
56 35 
56 33 
57 54 
57 53 
4 
50 17 
50 16 
51 27 
51 27 
52 39 
52 40 
53 57 
53 57 
55 21 
55 20 
56 45 
56 42 
58 5 
58 3 
3 
50 27 
50 26 
51 .36 
51 36 
52 48 
52 49 
54 6 
54 6 
55 31 
55- 29 
56 56 
56 52 
58 15 
58 13 
2 
50 37 
50 35 
51 45 
51 45 
52 56 
52 58 
54 15 
54 15 
55 40 
55 .38 
57 6 
57 1 
5S 26 
58 22 
1 
50 47 
50 44 
51 55 
51 .53 
53 5 
53 6 
54 24 
54 23 
55 50 
55 47 
57 16 
57 11 
0 
50 57 
50 54 
52 4 
52 2 
53 14 
53 14 
54 33 
54 32 
1 E. 
51 7 
51 3 
52 14 
52 11 
53 23 
53 22 
2 
51 17 
51 13 
52 23 
52 20 
4 h 
MDCCOXCVI.—A. 
