Note 2346 — Chapter XII · EXPORTS OF THE ISLANDS, ITALY, GAUL, AND SPAIN.
Reading edition
Dioscor. v. 123. Strab. vi. 2. t. ii. p. 39. According to the conjecture of Spallanzani the alum obtained by the ancients from Lipari was the production of the neighbouring island of Vulcano. Otherwise the vein must be lost, since though he traversed every foot of the island he only found some traces or efflorescences of it. Travels in the two Sicilies, iv. 118. Dolomieu, Voyage aux Iles de Lipari. p. 78.