Geographical Distribution, Form, and Characters of Glacial Drift. —
Fundamental Rocks, polished, grooved, and scratched. — Abrading and
striating Action of Glaciers. — Moraines, Erratic Blocks, and “Roches
Moutonnees”. — Alpine Blocks on the Jura. — Continental Ice of
Greenland. — Ancient Centres of the Dispersion of Erratics. —
Transportation of Drift by floating Icebergs. — Bed of the Sea furrowed
and polished by the running aground of floating Ice-islands.