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THE CHEMISTRY OF CREATIOX. 



detected among the gaseous exhalations of these 

 fountains of fire. The celebrated volcano of 

 Jorullo rises out of a plain, the remarkable 

 aspect of which communicates a vivid idea of 

 the activity of chemical forces going on beneath 

 the surface. This scene is represented in the 

 accompanying engraving. 



VOLCANO OP JORULLO. 



Philosophy fails to inform us as to the real 

 causes of the volcano. But upon chemically 

 analysing the lava, and on a consideration of 

 the nature of the gases discharged, conjee- 



