DOMAIN XII. VOLCANIC. 525 



very deep towards Santorin, where it covers the 

 mountain, whence proceed incessant eruptions. 

 There is no ground for anchoring near it, as is 

 mentioned by M. de Bomare, vol. xv. page 128 

 of his Dictionary. 



" Whatever on the surface of this sea-covered 

 mountain be the quantity of matter which has 

 issued from it, when the fires once set in motion 

 in the void at its base within become active, they 

 rise violently and carry the matter along with 

 them, being always confined in their direction by 

 the internal form of the mountain. Its summit 

 then, and the parts round its summit, are always 

 the points most strongly attacked ; there it must 

 and does in fact give way, as is the case with a 

 volcano on land opening for the first time. And 

 when eruptions take place in a submarine volcano, 

 the masses already settled are always affected by 

 them, and partly open, and their surfaces either 

 gain by the addition and adhesion of new ejections, 

 or lose by some of their parts sinking into the fiery 

 abyss, or into the sea. This is confirmed by all the 

 eruptions, and particularly by the circumstances 

 attending the last. They are to be found in all 

 the periodical writings of that time. An account 

 was published by Father Gor^e, who was an eye- 

 witness of it ; and of his narrative I will give an 



