C *93 ] 
little fmoke that I have been able to fee far down the 
mouth of the volcano, the fides of which were 
incrufted with falts and minerals of various colors, 
white, green, deep and pale yellow. The fmoke that 
iflued from the mouth of the volcano in bad weather 
was white, very moift, and not near fo offenlive as the 
fulphureous fleams from various cracks on the fidesof 
the mountain. 
Towards the month of feptember laft, I perceived 
the fmoke to be more confiderable, and to continue 
even in fair weather ; and in odfober I perceived 
fometimes a puff of black fmoke fhoot up a confider- 
able height in the midft of the white, which fymptom 
of an approaching eruption grew more frequent daily ; 
and foon after, thefe puffs of fmoke appeared in the 
night tinged like clouds with the fetting fun. 
About the beginning of November, I went up the * 
mountain ; it was then covered with fnow, and I 
perceived a little hillock of fulphur had been thrown 
up fince my laft vifit there, within about forty yards of 
the mouth of the volcano ; it was near fix feet high, 
and a light blue flame iffued conftantly /rom its top. 
As I was examining this phenomenon, I heard a violent 
report, and faw a column of black fmoke followed by 
a reddifh flame, fhoot up with violence from the 
mouth of the volcano, and prefently fell a fhower of 
ftones, one of which falling near me, made me retire 
with fome precipitation, and alfo rendered me more 
cautious of approaching too near, in my fubfequent 
journeys to Vefuvius. 
From november to the 28th of march, the date of 
the beginning of this erruption, the fmoke encreafed 
and was mixed with allies, which fell, and did great 
Vol- LVII. C c damage 
