MAP PROJECTIONS. 
67 
(A.)—Table giving the Linear Value in Miles op a Degree op Arc 
MEASURED ALONG PARALLELS OF LATITUDE. 
Latitude. 
Longitudinal 
Degrees in 
Miles. 
Difference. 
Latitude. 
Longitudinal 
Degrees in 
Miles. 
Difference. 
o 
0 
69-1618 
- 
0 
23 
65 6960 
- 
I 
69-1511 
105 
24 
63 2171 
4789 
2 
69-1199 
314 
25 
62*7190 
4981 
3 
69-^676 
523 
26 
62-2019 
5171 
4 
63-9944 
732 
27 
61-6658 
536i 
5 
68-9003 
9 i 1 
28 
61 1109 
5549 
1149 
5734 
6 
68-7854 
1358 
1565 
29 
; 60-5375 
7 
68-6496 
30 
59*9456 
5919 
6101 
8 
68-4931 
1773 
3 i 
59'3355 
6283 
9 
68-3158 
32 
58-7072 
IO 
68-1179 
1979 
33 
58-0611 
6461 
I £ 
67-8993 
2186 
34 
57*3973 
6638 
2392 
6813 
12 
IJ 
H 
. 67-6601 
67-4005 
67-1204 
2596 
2801 
** 
36 
3 7 
56-7160 
56-0173 
55-3015 
6987 
7153 
15 
66-8200 
3004 
38 
54-5689 
7326 
16 
17 
66-4993 
66-1585 
3 207 
34°8 
39 
40 
53-8196 
53*0538 
7493 
7653 
3609 
7820 
18 
19 
20 
65-7976 
65-4168 
65-0160 
3808 
4008 
4 1 
42 
4 ? 
52-2718 
51*4737 
50-6600 
7981 
8137 
21 
64-5956 
4204 
41 
49*8307 
8293 
22 
23 
64-1556 
63-6960 
4400 
4596 
45 
46 
48-9861 
48-1265 
8446 
8596 
