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ftrv’d two, at others three Columns of Flame, 
and fometimes one vafl; one that Teem’d to fill the whole 
Crater. Thefe burning Columns, and the fiery Stones 
leem’d to be (hot a icqo Foot perpendicular above the 
Summit of thQ^olcano. The nth at Night, 1 obferv’d 
it, from a Terrafs in Naples^ to throw up incefl'antly ^ 
taft Body of Fire and great Stones to a furprifing Height. 
Thexith in the Morning, it darken’d the Sun with Alhes 
and Smoak, caufmg a Tort of EclipTe. Horrid Bellow- 
ings this and the foregoing Day were heard at t^aples, 
whither part of the Afties alTo reached. At Night I 
obTerved it throw up Flame, as on the nth. On the 
i3th> the Wind changing, we Taw a Pillar of black 
Smoak (hot upright to a prodigious Height. At Night 
I obTerved the Mount caft up Fire as before, tho’ not To 
4 iftindly becauTe of the Smoak. The 14th, A thick 
black Cloud hid the Mountain from Naples. The 15th, 
in the Morning, the Court and Walls of our HouTe in Na- 
fles were cover’d with Allies. In the Evening, Flame ap* 
pear’d on the Mountain thro’ the Cloud. The i6th, the 
Smoak was drivenby a Wefterly Wind from the Town to 
the oppofite fide of the Mountain. The i7th, the Smoak 
appear’d much diminifli’d, fat and greaTy. The 18th, 
the whole Appearance ended, the Mountain remaining 
perfe( 3 iy quiet without any vifible Smoak or Flame. A 
Gentleman, of my Acquaintance, whole Window^ look’d 
toward Fefyvius, aflur’d me, that he obferv'd this Night 
Teveral Flafhes, as it were of Lightening, ifliie out of 
the Mouth of the Volcano. It is not wmrth while to 
trouble you with the Conjedfures I have formed con-? 
cerning the CauTe of thcTe Phsenomena, from what I 
obTerved in the Lacm AmjanBi^ the Solfatara, ^c. as 
well as in Mount Vefuvius. One thing I may venture 
to Tay,. that, I, Taw the fluid. Matter- rife out of the Centre 
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