Volcanic Eruptions and Hurricanes. 231 
1840, FEBpRuaRY 16th.— Harthquake at Ternate I, 
one of the Moluccas. 
1840, 28rd Marco. — St. Matthew's Island, in 
22° 24' §., 172° 35’ E., seen in violent eruption—On 
31st March, earthquake at Adelaide. 
1840, APRIL 5.—Sixty miles from Mindinao, Phillippine 
Islands, a shower of volcanic ashes, (which follows an erup- 
tion.) 
1840, FeBruary, Marcu.—Cyclone from Fegee Islands 
to New Zealand.— Wilkes. 
Marcu 18.—Cyclone at Tutuila. 
Marcu 25.—WMerope’s cyclone in 35° 4'8., 158° 35’ E. 
1851, 5th AvucustT; night—Martinique. A frightful 
eruption of the long-dormant volcano of the Pelée Moun- | 
tain, accompanied by a noise like the approach of thunder, 
and a vibration. Jdlustrated London News. 
1851, AucustT 18th.—West Indies. St. Thomas’s expe- 
rienced the tail of a hurricane, which began at daylight. 
From 9 A.M. to 9 p.m. it blew with terrific fury from N.E. 
to S.E. by E. The strength of the hurricane passed to the 
8. of St. Thomas's. 
Aucust 18.—A severe shock of an earthquake at Truxillo, 
Central America, which extended throughout Honduras. 
Jamaica, (advices to 29th Aucust).—A smart shock of 
an earthquake had been felt in Port of Spain. 
[The above is a regular West Indian cyclone, passing off 
to the W.N.W.] 
It is a well-established physical fact, that the paroxysmal 
eruptions of avolcano are accompanied by earthquake shocks ; 
and if these be regarded as the transits of waves of elastic 
compression through the surface and crust of the earth, it is 
easy to conceive that earthquakes may occur almost imme- 
diately after an eruption, and at a considerable distance from 
