GEOLOGY. 



649 



furnaces the depth of which is probably the same in every 

 case, it is clear, that for the waves to mount in the chim- 

 neys of those which are very high, a much greater force 

 is required than in the others. Thus one of the smallest 

 of all, Stromboli, is always throwing out flames ; since the 



- :r%— ^*fc9Sisi%J&i 



295. Goenong Api, Banda Islands, in tlie Moluccas,' 



days of Homer it has served as a beacon to navigators 

 approaching the Eohan Islands. On the contrary, the 

 volcanoes Avhich animate the crests of the Cordilleras, and 

 which are six or eight times as high, seem condemned to 

 long intervals of repose, and often only break out from 

 century to century. 



The volcanoes which lord it over the frozen summits 

 of the Andes often produce phenomena equally striking 

 and unexpected. When they melt the snows Avhich 



' The island of Goenong Ajii is one of the most active volcanoes in the Indian 

 Archipelago. It forms an immense cone 788n feet liigh, and is coveretl witli 

 luxuriant vegetation except where this has been destroyed by recent eruptions of 

 lava. By the proximity of this volcano tlie Banda Islands are subject to frequent 

 •and destructive eruptions and eartliqnakes. The strongest recorded were those 

 of 1598, 161.5, 1632, 1691, 1711, 1798, and 1820 ; but tlie most fatal in their con- 

 sequences were those of 1629, 1683, 1686, 1743, and 1816. So terrible were the 

 ravages of the eruption and earthqnake of 1691, that all the more wealthy inha- 

 bitants fled the islands, and the establishment wap almost totally broken up. Tk. 



