310 THE BOTTOM OF THE SEA. 



which we have spoken in a previous chapter. The 

 facts we are about to relate will exhibit the great 

 influence exerted by subterranean fires over the sub- 

 marine regions of the whole globe. 



2. Greek Archipelago — Delos and Ehodes upheaved from the 

 Bottom of the Sea— Successive additions to the Archipelago of 

 Santorin. 



The existence of submarine volcanoes has long 

 been known. Several are to be found in . Greece. 

 The islands which have appeared from time to time, 

 as if by enchantment, have owed their birth to vol- 

 canic causes. Ancient writers make mention of 

 certain phenomena of this kind; but their state- 

 ments, being founded for the most part on inexact 

 information, or on more or less uncertain traditions, 

 can be of little utility from a scientific or even his- 

 torical point of view. 



*'The celebrated islands of Delos and Khodes," 

 says Pliny (Liv. II. chaps, xviii. and xix.), *' have, 

 from all accounts, risen from the waters : moreover, 

 smaller ones have been seen to appear — such as 

 Anapte, beyond Melos; Nea, or Nova Insula, be- 

 tween Lemnos and the Hellespont ; Alone, between 

 Lesbos and Theos; Thera and Therasia, amongst 

 the Cyclades, in the fourth year of the 135th Olym- 

 piad ; Hiera, or Automate, situated between the two 



