eleven o'clock
There was a yellow river again , and hills covered with a bare forest . Heavy gray clouds trooped across the sky , and the sun was lost among them before it sank behind the hills in the west . Dick and Pennington , wrapped in their blankets and overcoats , slept upon the deck that night , with scores of others strewed about them . They were awakened after eleven o'clock by a sputter of rifle shots . Dick sat up in a daze and heard a bullet hum by his ear . Then he heard a powerful voice shouting : `` Down ! Down , all of you !