“A—a little farther.” The slender girl gripped Florence’s arm until it hurt.

Just then the moon went under a cloud.

“Look!” Greta whispered in an awed tone. “Look! What is that?”

What indeed? Before them, just how far away they could not tell, shone what appeared to be innumerable pairs of eyes.

“Green eyes,” Greta whispered.

Next moment her voice rose in a note of sheer terror.

“Florence! Florence! Where are you?”

No answer. Florence had vanished into the night.

CHAPTER XX
AID FROM THE UNKNOWN

As Greta called for the second time, “Florence! Florence! Where are you?” an answer came floating up to her.