"Hold on, there!" cried Harry. "Let no one leave this room!"
The hall-boy paused, an alarmed look on his face.
CHAPTER X.
SERVING THE WARRANT.
Mrs. La Croix and her daughter were possessed of good nerves, for the dramatic entrance of the Bradys did not seem to startle them in the least.
They glanced coolly at the detectives and Mrs. La Croix asked, haughtily:
"Who are these men?"
"Detectives, madam," replied Old King Brady, politely.
"Indeed! What were you sneaking in that closet for?"