"Welch! Fatty Welch!" shrieked the Baron. "There's two of 'em! But the one I want has started for the station. I must catch him!"

"Excuse me, sir," interrupted the old butler, who alone had preserved his equanimity, addressing Mr. Blair. "My impression is, sir, that it must have been Manice, sir—the new third man, sir. I saw him step out. He must have taken Mr. McAllister's coat and hat!"

There was an immediate chorus of assent. Of course that was it. The man had disguised himself in McAllister's clothes.

"He's got the necklace!" wailed Mildred. "Oh, I know he has!"

"Yes! Yes!"

"Of course he's got it!"

"After him! After him!"

"Necklace! What necklace?" inquired Barney, more bewildered than ever.

"My mother's pearl necklace! She bought it in Rome. And now it's gone. He's got it."

Barney made a move for the door.