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    WHITE SPOTS UPON VENUS.—Four years since M. Trouvelot drew attention to two remarkable white spots which he had observed on opposite limbs of Venus, near the extremity of the cusps, from November 13, 1877, to February 7, 1878. The southern spot was the brighter of the two, and “appeared then to be composed of a multitude of bright peaks, forming on its northern border a row of brilliant, star-like dots of light.” The white spots disappeared after the inferior conjunction, which occurred on February 21.

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