They ate heartily, notwithstanding the sulphur, Max telling them how civilized people will travel many miles and spend large sums of money in order to drink water impregnated with sulphur.
“Had we better commence to limit our rations?” asked Ibrahim, when he had eaten all he possibly could.
They had not thought of that.
It was becoming serious. They might be a long time before they could obtain a fresh supply of food.
“We will start to-morrow,” Max decided.
The water began to be agitated again and it was deemed advisable to get away from the crater.
After a short journey through another tunnel they reached daylight.
The river ran sluggishly along between two high cliffs.
“I am sure we are the first to navigate this river.”
“I think so, too, Max.”