named Bertha. I gave the second letter of the alphabet,

"And if I do, what will it imply?" demanded Maskull in amazement.

"It bears its own message. Only try always to hear it more and more distinctly.... Now it's growing dark, and we must get back."

Maskull pulled out his watch automatically, and looked at the time. It was past six.. .. But he was thinking of Nightspore's words, and not of the time.

Night had already fallen by the time they regained the tower. The black sky was glorious with liquid stars. Arcturus was a little way above the sea, directly opposite them, in the east. As they were passing the base of the tower, Maskull observed with a sudden shock that the gate was open. He caught hold of Nightspore's arm violently. "Look! Krag is back."

"Yes, we must make haste to the house."

"And why not the tower? He's probably in there, since the gate is open. I'm going up to look."

Nightspore grunted, but made no opposition.

All was pitch - black inside the gate. Maskull struck a match, and the flickering light disclosed the lower end of a circular flight of stone steps. "Are you coming up?" he asked.