Looking about in terror, as if expecting to see murderous forms emerge from the shadows, she turned to flee.

At the head of the steps which led downward into the corridor, she paused for a moment, glancing over her shoulder at the mysterious, wriggling thing.

She was standing directly in the shaft of light.

To her surprise, the wriggling ceased.

The next moment, a faint, subdued shout was borne to her ears.