Winds. 65 



less than five times in the space of fourteen 

 hours. " The aeronaut GREEN, at the height 

 of 14,000 feet, encountered a current that bore 

 him along at the rate of five miles per hour, 

 but upon descending to the altitude of 1 2,000 

 feet he met a contrary wind blowing with a 

 velocity of eighty miles an hour/' 



The vito-magnetic fluid is capable of be- 

 coming amassed, condensed and rarefied. In 

 the tornado that happened at Natchez, in 

 1840, the houses exploded whenever the 

 doors and windows were shut, the roofs 

 shooting up into the air, and the walls even 

 of the strongest buildings bursting outward 

 with great force. 



On the 1 8th of June, 1839, a whirlwind 

 fell upon the village of Chatenay, near Paris. 

 In the room of a house over which it passed, 

 several articles of needle-work were lying 

 upon a table. The next day some of them 

 were found in a field at a distance from the 

 house, together with a pillow-case taken from 

 another room. They must have been carried 

 up the chimney by the rush of air outwards, 

 as every other means of exit was closed. 



It is a fact well-known to miners that dur- 

 ing and before violent tempests, strong as- 

 cending currents are observed. 



