“Yes. We go off a bit to the right directly. What are they dragging it for?”

“Mark.”

“Oh, rot,” said Bill uneasily. He was silent for a little, and then, forgetting his uncomfortable thoughts in his sudden remembrance of the exciting times they were having, said eagerly, “I say, when are we going to look for that passage?”

“We can’t do very much while Cayley’s in the house.”

“What about this afternoon when they’re dragging the pond? He’s sure to be there.”

Antony shook his head.

“There’s something I must do this afternoon,” he said. “Of course we might have time for both.”

“Has Cayley got to be out of the house for the other thing too?”