The light from below had increased a little as I descended, but not much; it was still dark about me. I continued to descend. It was tiresome work and not without danger, this climbing down an unfamiliar tree in a fog, at night, toward an unknown world. But I could not remain where I was, and there was nothing above to entice me upward; so I continued to descend. What a strange trick fate had played me. I had wanted to visit Venus, but had discarded the idea when assured by my astronomer friends that the planet could not support either animal or vegetable life. I had started for Mars, and now, fully ten days before I had hoped to reach the red planet, I was on Venus, breathing perfectly good air among the branches of a tree that evidently dwarfed the giant Sequoias. The illumination was increasing rapidly now, the clouds were thinning; through breaks I caught glimpses far below, glimpses of what appeared to be an endless vista of foliage, softly moonlit—but Venus had no moon. In that, insofar as the seeming moonlight was concerned, I could fully concur with the astronomers. This illumination came from no moon, unless Venus’s satellite lay beneath her inner envelope of clouds, which was preposterous. A moment later I emerged entirely from the cloud bank, but though I searched in all directions, I saw nothing but foliage, above, around, below me, yet I could see far down into that abyss of leaves. In the soft light I could not determine the color of the foliage, but I was sure that it was not green; it was some light, delicate shade of another color. I had descended another thousand feet since I had emerged from the clouds, and I was pretty well exhausted (the month of inactivity and overeating had softened me), when I saw just below me what appeared to be a causeway leading from the tree I was descending to another adjacent. I also discovered that from just below where I clung the limbs had been cut away from the tree to a point below the causeway. Here were two startling and unequivocal evidences of the presence of intelligent beings. Venus was inhabited! But by what? What strange, arboreal creatures built causeways high among these giant trees? Were they a species of monkey-man? Were they of a high or low order of intelligence? How would they receive me?