Tom laughed at Ned's matter-of-fact indifference, but when the young inventor turned in to his berth that night he could not stop thinking of the empty seats--the two mysterious passengers--and the two Fogers. They got all jumbled in his head and made his sleep restless.
Morning saw the Maderia well out to sea, and, as there was quite a swell on, the vessel rolled and pitched to an uncomfortable degree. This did not bother Tom and Ned, who were used to sudden changes of equilibrium from their voyages in the air. Nor did Mr. Damon suffer. In fact he was feeling fine and went about on deck like an old salt, blessing so many new things that he had many of the passengers amused.
Poor Eradicate did suffer though. He was very seasick, and kept to his berth most of the time, while some of his new friends did what they could for him.

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