“At your service, madam!”

Then to the man who had brought the silver:

“Your disguise is admirable, Patsy. Your own mother wouldn’t know you.”

The woman shrieked:

“It is all clear now! We’ve been trapped!”

And, in an excited tone, she added:

“The trap—the trap! There are only two of them! We ought to be able to master them!”

“Only two of us, eh?”

Saying this, Nick drew out and blew a whistle.

With a thunderous crash the front door was carried from its hinges and a full dozen of policemen rushed into the room.