“Shall I lock the door?” asked Osceola.

“No. If we’re able to pull this off, it will be a case of speed in getting back here. The door may be handier then. Come on—mum’s the word. I’ll go first—”

He stepped onto the window seat. A moment later he was through the broad porthole, and out on deck. Not a soul was in sight. A nod to Osceola brought the Chief to his side and they waited until Charlie reached the deck.

With Bill in the lead, they walked swiftly forward until they came to the open stair leading up to the boat deck. Motioning caution, Bill went silently up the rubber-coated treads with the others close behind. He knew that once above, they would be in plain sight of the bridge. Therefore, before reaching the stairhead, he dropped to his knees and crawled up to the deck level, careful to keep his head below the skyline. Then, turning back to Charlie, he drew the boy’s head close to his lips.

“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?”

Charlie, tense with excitement and proud of the responsibility given him, nodded mutely. Then he moved to one side while Osceola slipped past him, to lie beside Bill.

Diagonally across the deck from the stairhead aft of the ship’s second funnel was a small superstructure, the little wireless house. Light shone through the open window at the forward end of the structure. Charlie, who had never seen an Indian travel over an open space when the red man didn’t wish to be seen, was surprised to see Bill and Osceola move forward flat on their stomachs. With the sinuous, wriggling motion of snakes, the two slid across the starlit deck. In a few moments he lost sight of them in the shadow of the ship’s great funnel.

“Gee,” he thought. “That sure is some stunt. Some day I’ve got to get one of those guys to show me how they do it.”

In the obscurity of deep shadow, the two plotters got to their feet and adjusted their masks.

“Can you see all right?” whispered Bill. “I wasn’t sure about the eyeholes.”