Cousin Jasper seemed greatly excited.
“I believe there may be something there,” he said. “We must go and look. If they heard a noise in the cave, it may be that it was caused by some animal, or it may be that it was—-”
“Jack!” exclaimed Bert. “Maybe it’s Jack!”
“Maybe,” said Cousin Jasper. “We’ll go to look!”
Cousin Jasper and Mr. Bobbsey walked on ahead, with Flossie and Freddie to show where they had seen the big, black hole. It was not far away, but so hidden by bushes that it could have been seen only by accident, unless some one knew where it was.
Outside the entrance they all stopped.
“Listen!” said Flossie.
It was quiet for a moment, and then came a sound that surely was a groan, as if some one was in pain.
“Who’s in there?” cried Cousin Jasper.
“I am,” was the faint answer. “Oh, will you please come in and help me. I fell and hurt my leg and I can’t walk, and—-”