ON EFFECT OF WIND AND ATMOSPHERIC PRESSURE ON THE TIDES. 523 
The mean result of the effect at fourteen ports round the coast was 
as follows :—The mean rise of the spring tides at these places: is 
20°43 feet, the mean force of the wind was 6°78, and the mean variation 
of the tides from the natural height 2:70 feet. On the west coast the 
tides were raised by the gale 3} feet, and on the east coast depressed to 
a similar extent. 
Gales, December 1894. 
On the 20th the wind was from the N.N.W., force varying from 5 
to 7. The barometer was about the average. 
At Hull the morning tide was raised 3 feet 1 inch. 
At Boston the morning tide was raised 3 feet 2 inches. 
On the 22nd-23rd ; on the evening of the 22nd the wind blew a gale 
from the 8.W.., force 10. The barometer at Hull was 0°97 in. below the 
average, at Boston 0°82 in. below. 
The tide at Hull on the morning of the 22nd was raised 1 foot 1 inch, 
the following tide 1 foot, and the morning tide of the 23rd 4 feet 1 eh 
At Boston the morning tide of the < 22nd was 6 inches depressed, the 
evening tide raised 1 foot 2 inches, and the morning tide of the 23rd 
4 feet "4 inches. High water of the evening aay of the 22nd was 
2 hours 33 minutes late, and the morning fide of the 23rd 1 hour 10 
minutes early. 
At Ipswich the evening tide of the 23rd was raised 4 feet 11 inches, 
and the tide flowed an hour longer than its proper time. 
On the 28th, 29th, and 30th. the wind blew a gale from W.N.W. with 
force varying Febiri 10 to 6. The barometer was 0° 52 to 0°72 below the 
average. The gradient between Aberdeen and Yarmouth was 0°48, the 
depression being i in the north. 
At Hull ihe morning tide of the 29th was raised 2 feet, the evening 
tide 6 feet 4 inches, aud the morning tide of the 30th 1 foot 7 inches. 
At Boston the evening tide of the 28th was depressed 3 feet 1 inch ; 
the morning tide of the “29th was normal, the evening tide being raised 
4 feet 3 inciés, and the following tide 1 Bot 4 inches. 
On the west coast at Liverpool on the 21st the wind was from the 
S.W. with force of 4, and the tides normal. On the morning of the 22nd, 
the wind being nearly due south with force of 11, the tide rose to 20 fant 
6 inches Shove Old Dock sill, or 29 feet 6 inches above L.W.8.T., and 
6 feet 8 inches above the expected height. The evening tide was 13 niches 
below the expected height, making a difference of 7 ‘feet 9 inches in the 
height of two succeeding fder 
Gale, November 1895. 
During the early part of November (1st to 10th) there was a gradient 
of about half an inch on the English coast, the depression being in the 
north and the wind from south-east to south-west, blowing vie the force 
of a gale on the 11th. The barometer was from about 4 l'to 3 3 inch below 
the average, the mean being 29°85 at the North Boreland: 29-45 at Leith, 
and on the west coast 29°69 at the Scilly Islands, and 29°54 at Holy- 
head, the mean resultant being a gradient from the south of 0-40. The 
new moon was on the 16th. 
At Leith the average force of the wind for 12 days was 3°41, and 
during this time the tides averaged 1:33 above the natural height. On 
