The gigantic slab before me glowed with them, silver wavelets of phosphorescence pulsed over its surface and then--it turned as though on a pivot, sighing softly as it moved! "With a word to Edith I flung myself through the opening.

A tunnel stretched before me.

It glowed with the same faint silvery radiance.
Down it I raced.

The passage turned abruptly, passed parallel to the walls of the outer courtyard and then once more led downward.
"The passage ended.

Before me was a high vaulted arch.