“Another landslide!” cried Tinny. “I’m glad we aren’t out there!”
“Look! Look!” shouted Jerry. “See the blue rock! Blue rock, Tinny!”
He pointed to a mass of earth and stones sliding down into a gulch, and in the vivid glare of the lightning it could be seen that the rock was as blue as indigo!
[CHAPTER XXVII]
IN DIRE PERIL
Darkness, more black because of the momentary bright glare, settled down over everything outside the cave. And the rain, that had ceased for a little while just before that loud crash, again pattered down.
“What’s the matter out there?” called Ned, who was helping Bob with the meal at the campfire in the cave.
“Another landslide—a small one,” Tinny answered, as he and Jerry walked in from the mouth of the cavern.
“Is it headed this way?” asked Cromley.