The Collected Works of Olaf Stapledon - Olaf Stapledon

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of primitive amoeboid organisms seen through a microscope.

      The whole sky was strewn with them, here and there in concentrations of unbroken green, elsewhere more sparsely. And they were observed to be moving. A general drift of the whole celestial population was setting toward one of the snowy peaks that dominated the landscape. Presently the foremost individuals reached the mountain’s crest, and were seen to be creeping down the rock-face with a very slow amoeboid action.

      Meanwhile a couple of aeroplanes, electrically driven, had climbed the sky to investigate the strange phenomenon at close quarters. They passed among the drifting cloudlets, and actually through many of them, without hindrance, and almost without being obscured from view.

      On the mountain a vast swarm of the cloudlets was collecting, and creeping down the precipices and snow-fields into a high glacier valley. At a certain point, where the glacier dropped steeply to a lower level, the advance guard slowed down and stopped, while hosts of their fellows continued to pack in on them from behind. In half an hour the whole sky was once more clear, save for normal clouds; but upon the glacier lay what might almost have been an exceptionally dark solid-looking thundercloud, save for its green tinge and seething motion. For some minutes this strange object was seen to concentrate itself into a somewhat smaller bulk and become darker. Then it moved forward again, and passed over the cliffy end of the glacier into the pine-clad valley. An intervening ridge now hid it from its first observers.

      Lower down the valley there was a village. Many of the inhabitants, when they saw the mysterious dense fume advancing upon them, took to their mechanical vehicles and fled; but some waited out of curiosity. They were swallowed up in a murky olive-brown fog, shot here and there with queer shimmering streaks of a ruddier tint. Presently there was complete darkness. Artificial lights were blotted out almost at arm’s length. Breathing became difficult. Throats and lungs were irritated. Every one was seized with a violent attack of sneezing and coughing. The cloud streamed through the village, and seemed to exercise irregular pressures upon objects, not always in the general direction of movement but sometimes in the opposite direction, as though it were getting a purchase upon human bodies and walls, and actually elbowing its way along. Within a few minutes the fog lightened; and presently it left the village behind it, save for a few strands and whiffs of its smoke-like substance, which had become entangled in side-streets and isolated. Very soon, however, these seemed to get themselves clear and hurry to overtake the main body.

      When the gasping villagers had somewhat recovered, they sent a radio message to the little town lower down the valley, urging temporary evacuation. The message was not broadcast, but transmitted on a slender beam of rays. It so happened that the beam had to be directed through the noxious matter itself. While the message was being given, the cloud’s progress ceased, and its outlines became vague and ragged. Fragments of it actually drifted away on the wind and dissipated themselves. Almost as soon as the message was completed, the cloud began to define itself again, and lay for a quarter of an hour at rest. A dozen bold young men from the town now approached the dark mass out of curiosity. No sooner did they come face to face with it, round a bend in the valley, than the cloud rapidly contracted, till it was no bigger than a house. Looking now something between a dense, opaque fume and an actual jelly, it lay still until the party had ventured within a few yards. Evidently their courage failed, for they were seen to turn. But before they had retreated three paces, a long proboscis shot out of the main mass with the speed of a chameleon’s tongue, and enveloped them. Slowly it withdrew; but the young men had been gathered in with it. The cloud, or jelly, churned itself violently for some seconds, then ejected the bodies in a single chewed lump.

      The murderous thing now elbowed itself along the road towards the town, leaned against the first house, crushed it, and proceeded to wander hither and thither, pushing everything down before it, as though it were a lava-stream. The inhabitants took to their heels, but several were licked up and slaughtered.

      Powerful beam radiation was now poured into the cloud from all the neighbouring installations. Its destructive activity slackened, and once more it began to disintegrate and expand. Presently it streamed upwards as a huge column of smoke; and, at a great altitude, it dissipated itself again into a swarm of the original green cloudlets, noticeably reduced in numbers. These again faded into a uniform greenish tinge, which gradually vanished.

      Thus ended the first invasion of the Earth from Mars.

       Table of Contents

      Our concern is with humanity, and with the Martians only in relation to men. But in order to understand the tragic intercourse of the two planets, it is necessary to glance at conditions on Mars, and conceive something of those fantastically different yet fundamentally similar beings, who were now seeking to possess man’s home.

      To describe the biology, psychology, and history of a whole world in a few pages is as difficult as it would be to give the Martians themselves in the same compass a true idea of man. Encyclopaedias, libraries, would be needed in either case. Yet, somehow, I must contrive to suggest the alien sufferings and delights, and the many aeons of struggle, which went to the making of these strange non-human intelligences, in some ways so inferior yet in others definitely superior to the human species which they encountered.

      Mars was a world whose mass was about one-tenth that of the earth. Gravity therefore had played a less tyrannical part in Martian than in terrestrial history. The weakness of Martian gravity combined with the paucity of the planet’s air envelope to make the general atmospheric pressure far lighter than on earth. Oxygen was far less plentiful. Water also was comparatively rare. There were no oceans or seas, but only shallow lakes and marshes, many of which dried up in summer. The climate of the planet was in general very dry, and yet very cold. Being without cloud, it was perennially bright with the feeble rays of a distant sun.

      Earlier in the history of Mars, when there were more air, more water, and a higher temperature from internal heat, life had appeared in the coastal waters of the seas, and evolution had proceeded in much the same manner as on earth. Primitive life was differentiated into the fundamental animal and vegetable types. Multicellular structures appeared, and specialized themselves in diverse manners to suit diverse environments. A great variety of plant forms clothed the lands, often with forests of gigantic and slender-stemmed plumes. Mollusc-like and insect-like animals crept or swam, or shot themselves hither and thither in fantastic jumps. Huge spidery creatures of a type not wholly unlike crustaceans, or gigantic grasshoppers, bounded after their prey, and developed a versatility and cunning which enabled them to dominate the planet almost as, at a much later date, early man was to dominate the terrestrial wild.

      But meanwhile a rapid loss of atmosphere, and especially of water-vapour, was changing Martian conditions beyond the limits of adaptability of this early fauna and flora. At the same time a very different kind of vital organization was beginning to profit by the change. On Mars, as on the Earth, life had arisen from one of many ‘subvital’ forms. The new type of life on Mars evolved from another of these subvital kinds of molecular organization, one which had hitherto failed to evolve at all, and had played an insignificant part, save occasionally as a rare virus in the respiratory organs of animals. These fundamental subvital units of organization were ultra-microscopic, and indeed far smaller than the terrestrial bacteria, or even the terrestrial viruses. They originally occurred in the marshy ponds, which dried up every spring, and became depressions of baked mud and dust. Certain of their species, borne into the air upon dust-particles, developed an extremely dry habit of life. They maintained themselves by absorbing chemicals from the wind-borne dust, and a very slight amount of moisture from the air. Also they absorbed sunlight by a photosynthesis almost identical with that of the plants.

      To this extent they were similar to the other living things, but they had also certain capacities which the other stock had lost at the very outset of its evolutionary career. Terrestrial organisms, and Martian organisms of the terrestrial type, maintained themselves as vital unities by means of nervous systems, or other forms of material contact between parts. In the most developed forms, an immensely complicated neural ‘telephone’ system connected

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