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 and sunset, it becomes perpendicular. The individual character of the several chimes, tunes, or peals, whatever they should be called, is so distinct that even I appreciated it. Further, as the first point of the coloured strip distinguishing each several zyda reaches the golden indicator, a single slightly prolonged sound—I fancy what is known on Earth as a single chord—is emitted. Of these again each is peculiar, so that no one with an ear for music can doubt what is the period of the day announced. The sound is never, even in the immediate vicinity of the clock, unpleasantly loud; while it penetrates to an amazing distance. It would be perfectly easy, if needful, to regulate all clocks by mechanical control through the electric network extended all over the face of the planet; but the perfect accuracy of each individual timepiece renders any such check needless. In those latitudes where day and night during the greater part of the year are not even approximately equal, the black and green semicircles are so enlarged or diminished by mechanical means, that the hour of the day or night is represented as accurately as on the Equator itself.

The examination of this establishment occupied us for two or three hours, and when we remounted our carriage it seemed to me only reasonable that Eveena should be weary both in mind and body. I proposed, therefore, to return at once, but against this she earnestly protested.

"Well," I said, "we will finish our excursion, then. Only remember that whenever you do feel tired you must tell me at once. I do not know what exertion you can bear, and of course it would be most inconsiderate to measure your endurance by my own."

She promised, and we drove on for another hour in