"Glory hallelujah! I've got him. I've trapped Old Swallowtail at last."

They looked at her in amazement.

"What do you mean?" asked Mary Louise.

Josie sobered instantly.

"Forgive me," she said; "I'm ashamed of myself. Go on with the story. What became of that counterfeit bill?"

"Mr. Jerrems has it yet. He is keeping it to show to a commercial traveler, who is to visit his store to-morrow. If the man declares the money is good, then Ingua may buy her things."

"We won't bother the commercial traveler," said Josie, in a tone of relief. "I'm going straight down to the store to redeem that bill. I want it in my possession."

Colonel Hathaway regarded her gravely.

"I think our female detective, having said so much and having exhibited such remarkable elation, must now explain her discoveries to us more fully," said he.

"I'd rather not, just yet," protested Josie. "But what have I said in my madness, and what did my words imply?"