INTRODUCTORY SKETCH, &c.
THE ERUPTION OF VESUVIUS OF 1871-1872
I. ACCOUNT OF THE ERUPTION.
II. NATURE OF THE LAVAS.
III. FUMAROLES OF THE LAVAS.
IV. BOMBS, LAPILLI AND ASHES.
V. THE CRATERS AND THEIR FUMAROLES.
VI. THE ELECTRICITY OF THE SMOKE AND ASHES.
GENERAL CONCLUSIONS.
REFERENCE TO THE PLATES.
