“Till A’ the Seas”(2)

The ever-present heat, as Earth drew nearer to the sun, withered and killed with pitiless rays. It had not come at once; long aeons had gone before any could feel the change. And all through those first ages man’s adaptable form had followed the slow mutation and modelled itself to fit the more and more torrid air. Then the day had come when men could bear their hot cities but ill, and a gradual recession began, slow yet deliberate. Those towns and settlements closest to the equator had been first, of course, but later there were others. Man, softened and exhausted, could cope no longer with the ruthlessly mounting heat. It seared him as he was, and evolution was too slow to mould new resistances in him.

Yet not at first were the great cities of the equator left to the spider and the scorpion. In the early years there were many who stayed on, devising curious shields and armours against the heat and the deadly dryness. These fearless souls, screening certain buildings against the encroaching sun, made miniature worlds of refuge wherein no protective armour was needed. They contrived marvellously ingenious things, so that for a while men persisted in the rusting towers, hoping thereby to cling to old lands till the searing should be over. For many would not believe what the astronomers said, and looked for a coming of the mild olden world again. But one day the men of Dath, from the new city of Niyara, made signals to Yuanario, their immemorially ancient capital, and gained no answer from the few who remained therein. And when explorers reached that millennial city of bridge-linked towers they found only silence. There was not even the horror of corruption, for the scavenger lizards had been swift.