f the phenomena of the mountain. Water filters through the crevices and cracks in the rocks, until it comes into contact with the internal fires, when it is converted into vapour and expelled with violence. The internal fires are nourished by the winds which penetrate into the mountain. He traces some curious connection between the plants which grow upon the mountain, and the supply of sulphur and bitumen to the interior, which is, at best, but partly intelligible.
 See Lucilius Junioris AETNA. Recensuit notasque Jos. Scaligeri, Frid. Lindenbruchii et suas addidit Fridericus Jacob. Lipsiæ, 1826.
 L'Etna de Lucilius Junior. Traduction nouvelle par Jules Chenu. Paris, 1843.
"Nunc superant, quacunque regant incendia silvæ Quæ flammis alimenta vacent, quid nutriat Aetnam. Incendi patiens illis vernacula caulis Materia, appositumque igni genus utile terræ est, Uritur assidue calidus nunc sulfuris humor, Nunc spissus crebro præbetur flumine succus, Pingue bit