tiated into the Mystic and Sacred Order of the Choo-Choo will kindly keep quiet!" came the quick command from the leader. " Silence is imperative to have the spell work."
"Oh, you dry up!" retorted Joe.
"Silence!" came the command again, emphasized this time by a dig in the ribs.
"You quit——" began our hero, but his voice ended in a grunt, for some one had hit him in the stomach, knocking the wind out of him. He was indignant, and had half a mind to make a fight for it then and there. But he was practically helpless, and was descending a flight of stairs which made it dangerous to chance a scuffle. He made up his mind to fight when the time came.
"If you fellows——" began Tom.
"Silence over there!" hissed one of the white-robed figures. "If they talk any more, Master of Ceremonies, gag 'em."
"Right, Chief Engineer," was the hollow answer.
Tom thought it best to keep quiet. Silently the little crowd advanced. They halted at the door of one of the many store-rooms in the basement of the largest of the school dormitories. One of the lads opened the portals with a key. It was as black as pitch beyond.
