“Here is the weapon,” he said quietly.

“But who did it?” asked Shirley.

“It’s some of Jones’ work, I should say,” said Mabel.

“Of course,” agreed Dick.

At this moment Jimmy tried to sit up.

“What time is it?” he asked in a feeble voice.

Shirley looked at her watch.

“Quarter after twelve,” she said.

“Then I must get up,” declared Jimmy. “I must get to the track.”

A knock sounded at the door, and the hotel physician entered. He made a quick examination.