FiTzGrERALD & OuLLUM — Magnetic Observations at Valentia. 227 
HORIZONTAL FORCE, [x) 
1888. 
Mag. Mom. 
Va. 
Kew. 
V.-K. 
March, . . 
1028-4 
0-1741 
0-1811 
- 0-0070 
April, . . . 
1018-6 
0-1741 
0-1811 
- 0-0070 
May, . . . 
1013-7 
0-1742 
0-1812 
- 0-0070 
June, . . . 
1009-1 
0-1743 
0-1812 
- 0-0069 
July, . 
1001-3 
0-1744 
0-1811 
- 0-0067 
August, . . 
995-8 
0-1742 
0-1811 
- 0-0069 
September, . 
992-1 
0-1740 
0-1810 
- 0-0070 
October, . . 
985-8 
0-1742 
0-1811 
- 0-0069 
November, . 
981-7 
0-1742 
0-1812 
- 0-0070 
December, 
976-5 
0-1743 
0-1811 
- 0-0068 
Means, . . 
0-1742 
0-1811 
- 0-0069 
DIP. {d) 
1888. 
Mean of two 
Needles. 
1888. 
Mean of two 
Needles. 
March, . . 
68° 46' 
August, . . 
68° 45' 
April, . . . 
68 47 
September, . 
68 45 
May, . . . 
68 43 
October, . . 
68 48 
June, . . . 
68 44 
November, . 
68 48 
July, . . . 
68 43 
December, 
68 41 
Mean, . . 
. 68° 45' 
