“We can’t tell yet,” said Cora. “Oh dear! what does it all mean?”

No one answered for a moment, but Belle and Bess looked half-fearfully about, as though even then they might be standing in the presence of some unseen creature.

CHAPTER XXI—A DANCING LIGHT

“This is getting to be the limit of patience!” exclaimed Jack a bit wrathfully, as he looked at the disordered rooms. “Why can’t we do something?”

“We could, if we knew what to do,” said Walter. “But you can’t fight nothing with something.”

“It is very intangible,” said Cora. “Oh, all my pretty things scattered about!”

“Look and see if anything is taken,” suggested Paul. “If we can find out what is missing—I mean the character of the things—we can get a better line on who might have taken them. So far, the flashlight indicates regular burglars.”

For a time the girls were so put out, and so nervous over what had happened, that they could not ascertain what, if anything, was missing.

Then Cora began to reckon up her belongings, and found that a number of articles had been taken. Hazel found the same misfortune had visited her.

“There are lots of my things gone,” said Cora.