THE ANIMALS SWIM ASHORE 65
' Don't you remember,' my wife asked, ' the large lime-tree in the public walk of our own town ; and the pretty little room which had been built among its branches, and the flight of stairs which led to it ? Why should we not make something of the same kind ?'
I confessed that it might be possible, though the difficulties of the undertaking seemed to me enormous. However, darkness was falling fast, and so, calling the boys, we prepared to spend another night in our tent.