your satellite? If not, if life could have existed in these lunar rings, each of them would be a separate country, as separated from the others as France is from Spain or Italy. Such ridges could not easily be passed by any but flying animals; but flying animals and a dense atmosphere probably never existed on the moon. If ever life existed on that world, it must have been very varied in its developments.
I dwelt on these thoughts as I rested upon the topmost peak of Clavius. I stayed there as long as one of your earth-days, and watched the shadows deepening on the cliffs. Then I thought of the bitter dreariness of the long night in this dead world; and before the shadows had lengthened on the craters I flew northward towards the equator.
I set forward my ether car and made for the twin rings (each as large as an English county) which men call Stoefler and Maurolycus. I thus again returned into the realm of Tycho, for two of his great rays came from his vast crater to Stoefler. These two ring-systems were in themselves most wonderful. Maurolycus with its ramparts as lofty as the Andes, and Stoefler as the Alps. Here, on one of the peaks between the two vast rings, I rested and looked for a while on the terrible desola-
