There was but a soft humming note somewhere in the air, and the faintest sense of vibration in the metal-work on which his hands were pressed.

Once too he heard a footstep pass softly and rhythmically overhead, as if some watcher moved up and down the length of the upper deck.
The man dropped the curtains and sat back on his heels, trying to force into his imagination the facts that he now perceived and remembered.
They had left St.Germains last night, after dining at Versailles.

They were now crossing the Alps.

They would be in Rome for Mass and breakfast.

.