He left the trap wide open in case retreat were necessary.

Pausing long enough to assure himself that the man was unconscious and bleeding profusely, and to snatch the big revolver from Davy's person, Bonner turned his attention to the surroundings.
Perhaps a hundred feet away, at the end of a long, low passage, he saw the glimmer of a light.

Without a second's hesitation he started toward it, feeling that the worst of the adventure was past.

A shadow coming between him and the light, he paused in his approach.

This shadow resolved itself into the form of a woman, a gigantic creature, who peered intently up the passage.
"What's the matter, Davy ?" she called in raucous tones.