of mechanical origin, [463];
of organic origin, [464].
Seismic sea wave, [69];
Japan, 1896, [70].
Seismotectonic lines, [87].
Sekiya, S., cited, [141], [148].
Séracs, [391].
Serapeum, at Pozzuoli, [254].
Sericite schist, [465].
Series, conformable, [51];