"The diamonds!" cried Mollie.
"Yes. I've found out their secret!" Will said.
"We—we thought you meant you had found Betty and Amy," returned Grace, in a strange voice. "They—they're lost! They're gone!"
CHAPTER XXIV
TO THE RESCUE
"What gone? Not the diamonds!" cried Will, hopping about, first on one foot, and then the other. "Don't tell me those sparklers are gone, after all the trouble I've had on this case—and it's my first, too! That's a shame! How did it happen."
"Oh, you and your diamonds!" cried Allen. "It's the girls who are missing! Don't you understand? The girls!"
"I don't understand," replied Will. "What's the game?"
"And Betty and Amy are not up at the cottage?" asked Mollie.