"Nothing," replied Ed. "We just wanted to listen."
"We will leave the cars here and walk. I thought I saw a light," said
Jack.
"I am sure I did," declared Bess. "Oh, If only we find a cave, there are enough of us——"
"The young ladies should not venture too deep in the woods," suggested
Officer Brown. "We had best leave them with one of the young men here."
"Oh, no," objected Belle. "We must go with you. We are better in a crowd."
"Just as you say. But look! Is not that a light?"
They were almost in front of the old house. Cora and Helka were tying the rope to the open window.
"Sing! Sing!" whispered Lena, at the door. "Mother Hull is listening."
Quickly Cora picked up the instrument again, and, although voice and hands trembled, she sang once more the last verse of the "Gypsy's Warning," while Helka played her little harp.
"Hark! Hark!" shrieked Bess. "That is Cora's voice! Listen!"