Scope and Contents Material relating to the geology of Mount Vesuvius in Southern Italy and Mount Etna in Sicily as extracted from the letters of Sir Charles Lyell, written during a visit to the area in September and October 1858. He discusses several geological formations in the mountains and occasionally gives sketches to illustrate his points. He also mentions: that he has received a list of shells from the Pliocene clay on which Mount Etna is placed which he hopes will provide a precise paleontological...

Scope and Contents

Letter to Leonard Horner from Sir Charles Lyell discusing the internal structure of lava flows. Lyell also remarks on the probable nature of the additions to the core of Mount Vesuvius that had occurred that year, with illustrations, 10 December 1857.