"Yes. I went there after I got through at New Haven. I'm a Yale man, you know."

"Oh," remarked John Quincy, without any enthusiasm at all. But Greene seemed a pleasant fellow, despite his choice of college.

Chan had set the box on the table before Hallet, and was explaining how they had come upon it. The captain's thin face had brightened perceptibly. He inspected the treasure. "Locked, eh?" he remarked. "You got the key, Kaohla?"

The Hawaiian shook his head sullenly. "No."

"Watch your step, boy," warned Hallet. "Go over him, Charlie."

Chan went over him, rapidly and thoroughly. He found a key ring, but none of the keys fitted the lock on the box. He also brought to light a fat roll of bills.

"Where'd you get all that money, Dick?" Hallet inquired.

"I got it," glowered the boy.

But Hallet was more interested in the box. He tapped it lovingly. "This is important, Mr. Greene. We may find the solution of our puzzle in here." He took a small chisel from his desk, and after a brief struggle, pried open the lid.

John Quincy, Chan and the prosecutor pressed close, their eyes staring eagerly as the captain lifted the lid. The box was empty.