“Where?”

“Right ahead!”

All three looked in the direction the boat was drifting, and saw unmistakable evidences of a big fire.

“Klatchee was right, the water runs to the fire,” said Max.

“We are not blind, are we?”

“No; see the falls. Jewilikins, what beauty!”

The light from the fire was now so great that they could see the walls and roof of the immense tunnel they were in.

The rocks glistened as if bestudded with millions of gems; huge stalactites hung from the roof, each one like a glittering diamond or dazzling emerald.

The water was a river of precious stones, for every gem, every stalactite, each piece of quartz, was reflected in the clear, pellucid stream, giving it the appearance of a sheet of glass besprinkled with gems of the greatest value.

“The palace of Aladdin contained not so many gems!” Ibrahim exclaimed.