Suddenly Will clapped his hand on his knee.

“Bet I’ve got him nailed now,” he said, in an incautious whisper.

“Who?” asked Joe.

“The black-whiskered feller. Know him like a breeze.”

The men grew still more earnest in their conversation.

“Will be in store about Thursday,” came to the ears of the boys as their tones grew louder.

“And won’t be looked after?”

“No, they think we’re frightened off, and won’t venture to touch this lot. I can give the cue if there’s any change in the programme.”

“We’d best touch it deep, then. We might not get another chance soon. The secret way is all right yet?”

“Yes, not dreamed of.”