CHAPTER XV.

THE MAN WITH THE MODEL. With no need to be spurred in his quest, Gilbert darted through the rooms and as it would have taken too long to climb the walls, he made for the front door, which he opened himself and bounded out on the street. Knowing Paris intimately, he reached the spot indicated by Andrea in her vision without delay and his first question to a storekeeper, who had witnessed the accident to the boy, confirmed the statement. He proceeded straightway to the door in the alley, and knocked. “Who knocks?” ch…