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 out of doors from the fall of the evening to the dispersal of the morning mists rely on an unusually warm under-dress of soft leather, as flexible as kid, but thicker, which is said to keep in the warmth of the body far better than any woven material. Women who, from whatever reason, venture out at night, wear the warmest cloaks they can procure. Those of limited means wear a loosely woven hair or woollen over-robe in lieu of their usual outdoor garment, resembling tufted cotton. Those who can afford them substitute for the envelope of down, described a while back, warm skin or fur overgarments, obtained from the sub-arctic lands and seas, and furnished sometimes by a creature not very unlike our Polar bear, but passing half his time in the water and living on fish; sometimes by a mammal more resembling something intermediate between the mammoth and the walrus, with the habits of the hippopotamus and a fur not unlike the sealskin so much affected in Europe.

Outside the city, at a distance protecting it from any unpleasant vapours, which besides were carried up metallic tubes of enormous height, were several factories of great extent, some chemical, some textile, others reducing from their ores, purifying, forging, and producing in bulk and forms convenient for their various uses, the numerous metals employed in Mars. The most important of these—zorinta—is obtained from a tenacious soil much resembling our own clay. It is far lighter than tin, has the colour and lustre of silver, and never tarnishes, the only rust produced by oxidation of its surface being a white loose powder,