She had been looking at her opposite neighbour but she turned back towards the narrator of this thrilling story as the monosyllable broke from her lips.
"Please stop," she begged.

"You are too dramatic, Mr.Greene.You really frighten me." "Frighten you ?" he repeated.

"My dear Miss Dalstan!" "I suppose it is very absurd of me," she went on, smiling appealingly at him, "but your words were altogether too graphic.

I can't bear to think of what might have taken place underneath that tunnel! You must remember that I saw it, too.

Don't go on.