Molten rock, rise to earth’s surface, [94].

Monadnocks, [172].

Monte Nuovo, [96].

Monte Somma, caldera of, [127].

Montessus de Ballore, de F., cited, [92], [93].

Monti Rossi, crystal rain from, [122];

parasitic cones of, [125].

Mont Pelé, post-eruption stage of, [135-138];

spine of, [136], [137], [138].

Moore, W. H., cited, [294].