Meteors* 120 



40 45 very high. 



50 miles per hour a storm or tempest, 



60 a great storm. 



80 a hurrscane. 



JQQ C a hurricane that tears up trees 



' \ carries buildings before it, 8cc, 



The winds are of immense and indis- 

 pensable use. Besides their more ob- 

 vious effects in driving of ships, wind- 

 mills, &Pc. they preserve, by mixing, 

 the necessary purity of the air. The 

 winds, likewise drive away vapours, 

 clouds fogs, and mists from those parts 

 in which they are copiously formed, to 

 others which are in want of moisture ; 

 and thus the whole surface of the earth 

 is supplied with water. It is the winds 

 which diminish the heat, and augment the 

 moisture of the torrid zone, and produce 

 contrary effects on those of the polar re- 

 gions, so as to render those districts of 

 the globe, which the ancients deemed 

 totally unfit for the abode of man, and 

 other animals, by reason of excessive 

 heat, not only habitable, but salutary and 

 pleasing to man and beast, and yielding 

 great variety and abundance of the 

 choice productions of nature* 



