CHAPTER IV.
Mount Etna—Its Appearance and Height—Ancient Eruptions—Pindar's Allusion—Virgil's Description—Subordinate Cones and Craters—Caverns—Val de Bove—Formation of Monti Rossi—Eruption of 1852—Whirlwinds—Lava Torrents—Cascades of Lava—Description of Crater—Empedocles—Enceladus—Craters of 1865—Cyclopean Isles—Homer's Legend—Volcanic Origin—Other Basaltic Groups