“But if nobody knew that we were there”—pleaded Jack.

“No! Your turn’s coming tomorrow night! Be satisfied with that!”

“Do you want my revolver, then, Sis?” asked Jack, giving up in despair.

“Yes, I would like to have it,” replied Marjorie. “Because if we hear anything from the cellar, I’m going to lead a party down to investigate.”

“Do be careful, Marjorie!” warned John.

“And don’t solve the whole mystery, so that there’s nothing left for us fellows to do tomorrow night,” added Jack.

“Don’t worry!” laughed his sister.

The rest of the girls arrived at the tea-house about eight o’clock, and the medium came soon after. One of the larger tea-tables had been moved into the rest-room for the use of the party and the young people gathered about it.

“Must we turn the lights down low?” asked Marjorie, respectfully, as if she had full faith in the proceeding.

The medium shook her head.