396 
The accompanying Table shows all the circumstances of the week 
preceding the storm :— : 
MaGNETICAL OBSERVATORY, TRINITY COLLEGE, 1861. 
Barometer, 1861. Direction of Wind. 
February. 
am. | lP.m. 6pm. | 10PpM.] 10am. lpn. 6 P.M. 10 P. uF 
29°870 |30°051 |30°467 |30°595) N.W. | N.W. | N.W. |W.N.W. 
“724 |30°674 | 30°628 |30°590| S. W. S. W. Ss. W. Ss. W. 
+ 
iss) 
o 
1 
Peg 
4, . ]29°836 |29-820 |29-790 |29°718 |W. S. W.| W.S.W.| S.W. |S.S. W. 
5, . |29°273 {29-163 |29°058 | 29-029 Ss. |8S.S.W.|S.S.W. |S. S. W. 
6, - |29°040 | 29-058 | 29-215 |29-287|S.S.W.| S.W. Ss. W. 8. W. 
7, - |29°432 | 29-458 |29°586 |29°625) S.W. |W.S.W.! W. W. 
8, . |29°704 | 29-700 |29 718 | 29-735 N. N. N.N. E.| N. N.E. 
9,*. |29°982 |30-048 |30°228 |30°316 | N.N.E.| N.N.E.| NE. N.E. 
11, . |30°180 | 30-087 | 29-990 |29-929| N.E, N. E. E. SE 
12, . |29°707 |29°670 |29°610.)29°585| NIE. |E.N.E.|] 8.5. S. E. 
13, . |29°738 |29°781 | 29-879 |29°932] §. 5. 8. E. 8. E. 8. E. 
14, . ;29°880 | 29-745 | 29 -669 |29°602 S. S.SE.|)}S S.E./S.S.E. 
15, . |29°425 | 29-363 |29°333 |29°377/ S.S.E.| 8S. E.|5.S.E.] S.S.5. 
16, . [29-563 |29-531|29°533 |29-541| SW. |SS.E.] S. S. 
18,¢. |29°509 |29°511|29°488 |29'371/ §.E. | SE. | SE. | SE 
19, . |29-102 |29-242|29-472/29-472| s. | gw. | & |SS.E 
20, . [29-156 |20°158 | 29-156 |29-088, SSE. |S.S.W.) S. | 3.S.E 
21,f. [29-137 /28-964 28-959 /29-190] §. | gE | w. IS.8.W. 
22, . |29°451 |29°526 | 29-572 |129-°604|S. 5. W.| S.S. W. 
23, © |29°740 |29-758 | 29 -896 | 29 -982 
| 25, . |30°296 |30°244 
From this Table it also appears that the equatorial wind (S. W.) 
contmued from the 2nd of February, to the evening of the 7th of Feb., 
when it gave way to a West wind, then a North wind, and finally settled 
at 10, p.m, of the 8th, into a N.N.E. polar current, at which point it 
held throughout the storm, which reached its maximum twelve hours 
* Storm at Dublin from N.N.E. Same point throughout. Velocity of wind, 24 
miles per hour. . 
t Gale at Drogheda, Dublin, Dunmore East, and Penzance, from §.E. Same point 
throughout. 
{ Storm in London, Chichester, and Plymouth; gale in Dublin at midnight. At 7 p.m. 
in London the pressure was 36 Ibs. per foot. 
Wind in Dublin at same point throughout,—S. S. W. 
