‪“For some moments after coming to the surface the shock made me deaf.”

‪“Oh, I see.”

‪“What sort of a place are we in?”

‪“I cannot imagine.”

‪“I pray there is an outlet somewhere. If not, we are done for.”

‪“That is true,” agreed Frank. ‪“Let us pray for escape.”

The words had barely left his lips, when Frank’s hand struck an object. In a moment his fingers closed upon it.

It was the edge of a stone coping, and quickly he drew himself out of the water upon what seemed like a platform.

It was really the shore of the underground reservoir or lake.

Frank secured a foothold and then turned to Buckden.