Once alone with these perplexing evidences of personal agency, I think my first thought took the form of "One of us must have done this thing, and it certainly was not I." But my second thought decided how impossible it was to suppose, under all the circumstances, that either of us had done it. That my companion, the trusted friend of a dozen similar expeditions, could have knowingly had a hand in it, was a suggestion not to be entertained for a moment. Equally absurd seemed the explanation that this imperturbable and densely practical nature had suddenly become insane and was busied with insane purposes.

Yet the fact remained that what disturbed me most, and kept my fear actively alive even in this blaze of sunshine and wild beauty, was the clear certainty that some curious alteration had come about in his mind—that he was nervous, timid, suspicious, aware of goings on he did not speak about, watching a series of secret and hitherto unmentionable events—waiting, in a word, for a climax that he expected, and, I thought, expected very soon. This grew up in my mind intuitively—I hardly knew how.

I made a hurried examination of the tent and its surroundings, but the measurements of the night remained the same. There were deep hollows formed in the sand, I now noticed for the first time, basin-shaped and of various depths and sizes, varying from that of a teacup to a large bowl. The wind, no doubt, was responsible for these miniature craters, just as it was for lifting the paddle and tossing it towards the water. The rent in the canoe was the only thing that seemed quite inexplicable; and, after all, it was conceivable that a sharp point had caught it when we landed. The examination I mad