SURVEY OF THE BRITISH ISLES FOR THE EPOCH JAxYUARY 1, 1891. 73 
75. Island Donnan (Locli Alsh). July 11, 1892; T. (61, 83). Lat. 57° 16' 28"; 
Long. 5° 31' 5". In the grounds of Castle Donnan. 
Deelination. 
V 
G.M.T. 
f. 
h. m. 
+ 1 34 
Ii. m. 
14 38 
22 7-6 
22 19-4 
Inclination. 
.Needle. 
G.M.T. 
0. 
do. 
2 
3 
h. m. 
16 20 
16 6 
71 3'3-2 
71 .82-3 
o / 
71 34-5 
Horizontal Force. 
G.M.T. 
H. 
Ho. 
D 
V 
li. m. 
15 31 
14 53 
1*5617 
1-5585 
76. L. Doon (Dalmellington). August 22, 1891 ; W. (70, 94). Lat. 55° 17'25"; 
Long. 4° 20' 45". About 40 yards S.W. of the bridge near Glenmuck. 
Declination. 
2:. 
G.M.T. 
r. 
^0- 
h. m. 
4 2 13 
+ 4 55 
- 
h. m. 
12 46 
16 55 
. 
20 41-0 
20 41-1 
O i 
20 46-1 
Inclination. 
Needle. 
G.M.T. 
0. 
do. 
h. m. 
O 1 
O 1 
1 
14 2 
70 5-7 
70 7-0 
2 
14 32 
70 6-6 
MDCCCXCVI.—A. 
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