“I want you to stay here!” he whispered. “If anyone comes off the bridge and makes for this stair, run down to the deck below and get out of his way. When he’s gone, come back here. If anyone comes up the stair, crawl into the shadow of that lifeboat. If you see anybody at all going toward the wireless house, whistle twice and beat it back to your cabin, no matter what occurs. Got it clear, now?”