“No, we don’t need that for a signal flag,” said Mr. Brown, as he looked at the piece of weather-stained canvas in his hand. “Anything that will flutter in the wind will do. You see the _Beacon_ may circle about and come back to the island from the other side. But if they come back on this side they will know where we are. Yes, this tree will make a good flag pole. I’ll have Will or Sam climb it and fasten on this piece of canvas when they come back.”