Miss Cheyne of Essilmont, Volume 2 by James Grant

All day the _Firefly_ had run pretty swiftly along the coast of France, and that of Belgium, low, flat, and sandy, was on her lee, when a pitchy darkness fell upon the sea. The sky overhead was black and starless, and most cheerless indeed seemed the gloom amid which the yacht was sailing.

Muffled in her warmest wraps, Alison was lingering on deck, alone, though the night was rather advanced, and she leant on, or rather clung to, Tom Llanyard's arm as she promenaded the now damp and somewhat slippery deck, walking restlessly to and fro, like a caged animal, sometimes muttering to herself --