NOME IV. TUFO. 



smoke which, issuing from the crater, fell on 

 the cone, and covered the summit of the vol- 

 cano ; I observed occasionally, during the night, 

 that this smoke towards the centre was of the 

 colour of fire; it gradually augmented to the 

 24th of June, when, by rising in a vertical co- 

 lumn, it foretold a speedy eruption. 



<c Flames .were visible on the evening of the 

 same day, and continued to be so until the night 

 of the 27th. 



" On the 28th, at eight in the morning, an Thick smoko. 

 immense column of smoke was seen issuing 

 from the crater, of white, black, and red colours, 

 which, after attaining a considerable elevation, 

 was unable to sustain its weight, and, as if com- 

 pressed, assumed the form of a pine; after this, 

 it sent forth a horizontal line, forming an angle 

 of 80 degrees with the column in a vertical posi- 

 tion, and taking a direction towards the south- 

 east. 



c< This species of thick and opake cloud, 

 formed by the smoke, after traversing a part of 

 Sicily, extended forty miles out to sea; it show- 

 ered over the whole space it covered a quantity 

 of light scoriae and ashes; while this was pass- Of drosses and 

 ing, fresh volumes of thick smoke rose from the 

 crater, took at a certain elevation the same di- 

 -ection along the horizon, and furnished the cloud 



