GEOLOGY. 



625 



rose on its sides, Herculaneum and Pompeii. The former 

 was in part invaded by a lava stream, the second absolutely 



233. Eruption of Cotopaxi in 1741. 



buried under a prodigious mass of ashes. This eruption 

 took place in the year 79, and possibly attracted more no- 

 tice from having been the cause of the death of the natu- 

 ralist Pliny than for the ravages it produced. 



