The Adventures Of Paddy The Beaver in "Ryder Rabbit Gets A Ducking."

Farmer Brown's boy sat with his chin in his hands staring at the new pond in the Green Forest and at the dam which had made it.
That dam puzzled him. Who could have built it? What did they build it for? Why hadn't he heard them chopping? He looked carelessly at the stump of one of the trees, and then a still more puzzled look made deep furrows between his eyes. It looked