uniforms, and I remembered that after the accession of Louis Philippe, the young Duke of Orleans had been sent to quell the disturbances in the capital of French manufactures. It followed from thence that, _after_ 1854 and 1848, I had before my eyes an event of 1831. Presently my glance turned to Paris on the day of a public fête. The king, a coarse-looking man, with a rubicund face, was tearing along in a magnificent chariot, and was just crossing the Pont Neuf. The weather was splendid. Some fair ladies posed, like a basket of lilies, on the white parapet of the bridge. Floating over Paris some brightly-coloured creatures could be seen. Evidently I beheld the entrance of the Bourbons into France.

I should not have understood this last strange sight if I had not recollected that a number of balloons, in the form of animals, had been sent up on that occasion. From my higher altitude they appeared to wriggle about the roofs of the houses. To see again past events was comprehensible enough, according to the law of light. But to see things contrary to their real order in time, that was too fantastic, and puzzled me beyond expression. Nevertheless, as I had the things before my eyes, I could not deny the fact. I sought forthwith for some hypothesis to account for this singular phenomenon. At first I supposed it was really the Earth that I saw, and that by a fiat of fate, the secret of which is known only to God, the history of France repeats itself, and passes through the same phases that it has already traversed; that the course of events proceed up to a certain maximum, where they shine gloriously for a time, and then comes a reaction to the original state of things, by an oscillation in human affairs like the variations of the magnetic needle, or like the movements of the stars.

The personages whom I took for the Duke of Orleans and Louis XVIII. were perhaps other princes, who were repeating exactly what the former had done. This hypothesis, however, appeared to be so very extraordinary, that I paused to consider a more rational theory. Admitting the fact of the number of stars, with planets moving round them, is it not probable that a world exactly like the Earth exists somewhere in the universe of space?The calculation of probabilities supplies an answer to this question. The greater the number of worlds, the greater will be the probability that the forces of nature have given birth to an organisation like that of the Earth. Now the real number of worlds surpasses all human calculation, either written or possible to be written. If we could understand what "infinite" means, we might venture to say that this number is infinite. I concluded, then, that 

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