But we reached Camp David in one piece, and there was no trapdoor for Cap.
They went toward the middle of the island, where they dug for a considerable time, after which they lifted up a trapdoor.
There was a trapdoor in the floor that was right over the river.
The trapdoor had been left open, and I thought that was the place it came through.
Again he followed, mounting by a ladder, through a trapdoor on to the roof.
A trapdoor, shaped something like the profile of an ordinary milk bottle, was opening in the white globe just outside their plane.
He stepped to a corner of the room and by a ring he raised a trapdoor.
Upon this the shadowy arms enveloped Alizon, the trapdoor flew open, and the figure disappeared with its inanimate burthen.
At this juncture, Pierre and Paul Lanier emerge from a trapdoor, cutting off escape.
And I recognized your voice the minute that the trapdoor opened and I heard it!