70 



FORCES THAT PEODUCE ST0EM8 



congelation of vapours, that are known to exist, when traced 

 in their operations extending into the higher parts of the 

 atmosphere, are capable of producing disturbances of a very 

 energetic character, such as those attending hail and thunder 

 storms. And it is submitted, that the causes which have been 

 here traced are fully adequate to the production of all the 

 * effects that are experienced in strong winds or fierce storms. 



