Travels in the Two Sicilies, and Some Parts of the Apennines. Tr. from the Italian

This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1798. Not illustrated. Excerpt: ... CHAP. XV. LIPARl. PART THE FIRST. OBSERVATIONS MADE ROUND THE SHORES OF THE ISLAND. Unavoidable delays in making the circuit of the island--The city of Lipari and its harbour--Immense rock of lava and glass on which the c a/I le of Lipari is founded-- Reasons for believing that the internal part of this rock is a true glass---Other proofs of the ancient existence of fire in that place, derived from the pumices of the fame rock--Our common fre acls on volcanic glasses differently from the subterranean fires--Other observations made within the harbour--Porphyritic lava of a beautiful red found in its vicinity--The author leaves the harbour, and makes the circuit of the island, proceeding towards Vol. ii. S the the North--The enormous breaches made by the sea in the Jhores of the Eolian islands extremely favourable to the discovery of volcanic producls--Another red forphyritic lava--Extraordinary course of another lava--The Campo Bianco (White Field J, so called from the white pumices of which it is an entire mountain--'Their different species described in detail--Analysis of these and other kinds of pumices in the humid way--Discussion of the different opinions relative to this kind of volcanic producls--The Monte della Castagna composed of vitrifications and enamels--Properties of these--Capillary vitrifications-- Others which may be considered as in a fate of transition from pumice to glass-- Not probable that the glass passes into pntnict, as some have believed--Resemblance and difference of these two subs ances-- Enumeration of some other kinds of glasses, one of which greatly resembles what is called the Iceland agate, or gallinaceous flon-e of Peru--Glassy lavas of the Monte dclla Cafagna--This mountain and Campo Bianco, Bianco, with their environs, form a v...