“It’s all very well,” he said; “but it couldn’t be howls.”

“What made you hurry away so?” cried Scarlett, as they walked on, and he came to a stop. “Let’s go back and speak to my father. Something may be wrong. How do we know? Nat—”

Fred burst out laughing.

“Why, don’t you see?”

“No: what do you mean?”

“Didn’t you tell me you were afraid to shout yesterday because your voice went echoing along the passage?”

“Yes.”

“Well, what did you call?”

“Fred—Fred!”

“Well, wouldn’t that sound to any one who heard it like, ‘Red—red’?”