Hans closed his eyes with lazy indifference. What did it matter to him? My uncle looked round with dumb surprise.

“Well, whatever mountain this may be,” he said at last, “it is very hot here. The explosions are going on still, and I don’t think it would look well to have come out by an eruption, and then to get our heads broken by bits of falling rock. Let us get down. Then we shall know better what we are about. Besides, I am starving, and parching with thirst.”

Decidedly the Professor was not given to contemplation. For my part, I could for another hour or two have forgotten my hunger and my fatigue to enjoy the lovely scene before me; but I had to follow my companions.

The slope of the volcano was in many places of great steepness. We slid down screes of ashes, carefully avoiding the lava streams which glided sluggishly by us like fiery serpents. As we went I chattered and asked all sorts of questions as to our whereabouts, for I was too much excited not to talk a great deal.