A PRINCESS OF MARS
but theirs is a hard and pitiless struggle for existence upon a dying planet, the natural resources of which have dwindled to a point where the support of each additional life means an added tax upon the community into which it is thrown.
By careful selection they rear only the hardiest specimens of each species, and with almost supernatural foresight they regulate the birth rate to merely offset the loss by death. Each adult Martian female brings forth about thirteen eggs each year, and those which meet the size, weight, and specific gravity tests are hidden in the recesses of some subterranean vault where the temperature is too low for incubation. Every year these eggs are carefully examined by a council of twenty chieftains, and all but about one hundred of the most perfect are destroyed out of each yearly supply. At the end of five years about five hundred almost perfect eggs have been chosen from the thousands brought forth. These are then placed in the almost air-tight incubators to be hatched by the sun's rays after a period of another five years. The hatching which we had witnessed today was a fairly representative event of its kind, all but about one per cent of the eggs hatching in two days. If the remaining eggs ever hatched we
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