“Tell us your idea, Alice!” urged Marjorie.

“Well, I’d like for us all to go down to the tea-house after supper Friday night—with Mrs. Hadley and Mrs. Munsen, but not any of the boys—and invite that medium that Marie Louise and I consulted, and try some table-moving and spirit-rapping stuff. She ought to be able to tell whether it is all a fake. And then, if nothing happens, we can end up just like an ordinary party, with ice-cream and cake.”

“What fun!” cried Florence, in delight. “I think that’s a great idea, Alice.”

“But can you get the medium?” asked Ethel.

“Yes, I’m sure we can, if we pay her enough. And we can all put together.—What do you, say Marj?”

“I’m game!” replied the latter, instantly.

Accordingly, Alice went ahead with her arrangements as soon as she was able to win Marie Louise and Mrs. Munsen to agreement. She was sorry to have Ethel miss the party by leaving the day before for her vacation, but fortunately Daisy Gravers arrived to take her place. The time was set for half-past eight on Friday evening.

The girls managed to close the tea-room rather early that night, but encountered severe opposition in attempting to chase the boys away.

“Please let us stay—if we have to hide somewhere!” begged Jack.

“No,” replied Marjorie, firmly. “And don’t think that because you won out at the picnic supper that you will again. I’m not going to relent.”