Gwynneth's interest was re-awakened.

"No," said Fuller, with the air of mystery in which his class delights; "no, miss, he's not one to be shut off longer than he can help. Hear that sound?"

"I do indeed."

Latterly she had been listening to nothing else.

"That's a saw!"

"Well?"

"Do you know what he's sawun?"

"No."

"Planks for benches!"

Gwynneth repeated the last word in a puzzled whisper; and so stood staring until the obvious explanation had become obvious to her. It remained inexplicable.