I went below to the lounge. I found no one there. I ventured a knock at the door opening into the captain’s stateroom.

The word “Enter!” answered me. I did so and found Captain Nemo busy with calculations in which there was no shortage of X and other algebraic signs.

“Am I disturbing you?” I said out of politeness.

“Correct, Professor Aronnax,” the captain answered me. “But I imagine you have pressing reasons for looking me up?”

“Very pressing. Native dugout canoes are surrounding us, and in a few minutes we’re sure to be assaulted by several hundred savages.”

“Ah!” Captain Nemo put in serenely. “They’ve come in their dugouts?”

“Yes, sir.”

“Well, sir, closing the hatches should do the trick.”

“Precisely, and that’s what I came to tell you—”

“Nothing easier,” Captain Nemo said.