The talking ceased.
“What did you hear?” asked Jerry.
“A queer noise,” Ned replied. “Listen!”
All became very quiet and, straining their ears, they heard moans that seemed to come from a clump of bushes up on the side hill back of the spring.
[CHAPTER XIX]
THE PROFESSOR’S STORY
Bob Baker caused a sudden ripple of laughter, which sounded strange amid the tense silence, when he murmured:
“Gosh, I hope it isn’t those mountain lions!”
“They don’t make a noise like that,” said Tinny. “This sounds more like a human being.”