An exclamation of alarm burst from his lips. His hand shook so violently that it was with difficulty he could hold the candle. The lid of the locker stood wide open!

Advancing the light, he peered into the receptacle. It contained nothing. Handkerchief, bag, pearls—all had disappeared!


CHAPTER III.—THE QUEST BEGINS.

For a moment the discovery paralysed him, body and mind. Then he turned and hurried to Jack's cabin. Jack was snoring. Don shook him fiercely by the shoulder.

“Wake up! The pearls are gone!”

Jack was awake and on his feet in a twinkling. “You're dreaming, old fellow,” said he, seeing Don in his night-clothes. “You're only half awake.” Don did not argue the matter. He simply seized Jack by the arm and dragged him into the main cabin. There the empty locker placed the truth of his assertion beyond dispute.

“What's to be done?” gasped Jack.

“Let us call Pug,” suggested Don. “He may know something about this.”