Then he suddenly came to a standstill.

Forrest, too, paused in his task and looked up.

He gave a nervous start, and the bottle fell from his fingers.
"What in God's name was that ?" he asked.
It came to them faintly down the long passage, but it was nevertheless alarming enough.

The hoarse clanging of a bell, pulled by impetuous fingers.

Cecil and Forrest stared at one another for a moment with dilated eyes.
"Can't you speak, you d----d young fool ?" Forrest asked.