Part III. the Earth. 



dily and eafily gets out, from time to 

 time, without ihaking or difiurbing 

 the Earth 3 but where fuch Communi- 

 cation is wanting, or the Paffages not 

 fufficiently large and open, fo that it 

 cannot come at the faid Spiracles with- 

 out firft forcing and removing all Ob- 

 ftacles, it heaves up and fhocks the 

 Earth, with greater or ieffer Impetuo- 

 iity, according as the quantity of the 

 Fire thus aflembled is greater or lefs, 

 till it hath made its way to the Mouth 

 of the Vulcam ; where it ruflheth forth^ 

 fbmetimes in mighty Flames, with 

 great Velocity, and a terrible bellow- 

 ing noile. That therefore there are 

 fcarcely any Countries, that are much 

 annoyed with Earthquakes, that have 

 not one of thele Fiery Vents ; and 

 thefe are conftantly all in Flames when- 

 ever any Earthquake happens ; they 

 difgorging that Fire, which, whilft 

 underneath, was the caule of the DiP 

 after ; and wore it not for thefe Diver- 

 ticula^ whereby it thus gains an Exit^ 

 'twould rage in the Bowels of the 

 Earth much more furioufly, and make 

 greater havock than now it doth. So 

 that though thole Countries, where 

 there are fuch Vukands^ are ufually, 



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