"Shall we go in?"
"You can't scare me. If you'll go, I'll go."
"The trail leads here. Other people must have gone in here. If they can do it, so can we."
"Lead on!"
Frank picked up a heavy stick lying among the rocks near the entrance to the cave. "You never know when we'll run into snakes around here," he remarked. "It's just as well to be ready for them."
Joe hunted around until he, too, found a club that would be serviceable in the event of their encountering more of the reptiles. He patted his hip to make sure that the automatic was still in his pocket.
"All set?"
"All set."
Frank stepped forward and entered the mouth of the cave. Joe followed at his heels.
For several yards the cave was illuminated by the light from outside, but as they went on the gloom became deeper until at length they were faced by impenetrable darkness. Frank had brought with him a pocket flashlight and he switched it on. A wide ring of light shone before them, showing the damp rock walls ahead.
They stepped forward cautiously. The floor of the cave sloped upward, but the great open-
