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26 have the ame Method of Production: Tho’ in them there has been no opportunity to make the ame Obervationm as well as by reaon of their flow Advances, as that they are commonly found far from the Places of their Generation; thrown up I uppoe by ome Earthquakes or Convulions. That the Planets are not without Water, is made not improbable by the later Obervations: For about Jupiter are oberved ome Spots of a darker Colour than the ret of his Body, which by their continual change how themelves to be Clouds: For the Spots of Jupiter which belong to him, and never remove from him, are quite different from thee, being ometimes for a long time not to be een thee Clouds; and again, when thee diappear, howing themelves. And at the going off of thee Clouds, ome Spots have been taken notice of in him, much brighter than the ret of his Body, which remained but a little while, and then were hid from our Sight. Thee Monieur Caini thinks are only the Reflecti-