"Now," said he, "we will replenish our supply of water with the rain which the storm has left in all these granite basins; therefore we shall have no reason to fear anything from thirst. As for the raft, I will recommend Hans to do his best to repair it, although I don't expect it will be of any further use to us."

"How so?" I cried.

"An idea of my own, my lad. I don't think we shall come out by the way that we went in."

I stared at the Professor with a good deal of mistrust. I asked, was he not touched in the brain? And yet there was method in his madness.

"And now let us go to breakfast," said he.

I followed him to a headland, after he had given his instructions to the hunter. There preserved meat, biscuit, and tea made us an excellent meal, one of the best I ever remember. Hunger, the fresh air, the calm quiet weather, after the commotions we had gone through, all contributed to give me a good appetite.

Whilst breakfasting I took the opportunity to put to my uncle the question where we were now.

"That seems to me," I said, "rather difficult to make out."

"Yes, it is difficult," he said, "to calculate exactly; perhaps even impossible, since during these three stormy days I have been unable to keep any account of the rate or direction of the raft; but still we may get an approximation."

"The last observation," I remarked, "was made on the island, when the geyser was—"