"Oh, that?" he said. "Yes, I remember all about it."

"Where did you take it, Mr. Alden?" pressed Dave.

"At Anseton. There's a sort of foreign quarter there, and I was
catching up some street scenes. It was the Chinaman I shot. Wanted
the costume, you know."

"When was that?" asked Dave.

"Yesterday morning."

Dave asked a score of questions. The moving picture man saw that
Dave had some important motive in his inquiries. He did not ask
what it was, and was patient and careful in his replies.

Dave left Mr. Alden feeling that he had learned a good deal. The
presence of Jerry Dawson in Anseton, and that, too, with a Chinaman,
verified many of the theories of the young aviator. Dave lost no
time in getting to a telegraph office, to send a dispatch that would
reach Mr. Price. It told briefly of the progress of the Monarch II
and of the definite clew Dave had just discovered.

That afternoon our hero hired a hand cart he saw in a blacksmith's
yard labeled "For Sale." He drove it as near to the swamp island as
he could, without getting stuck in the mud. Then, he called to
Hiram, who put himself in wading trim. The empty gasoline cans were
over to the cart by Hiram. Dave trundled them to the town, got them
filled and to the island, and, returning the cart, was ready to