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 rise and fall continuously and involuntarily.

I would describe the upper portion of their bodies, but they would seem so contrary to our ideas of beauty that I will pass on by saying that to my eye, now trained in the larger school of interstellar harmonies, these Plasdenites are lovely and lovable human creatures. They have reached a high state of civilization and, being gifted with the spirit life, they are still forging ahead toward perfection, unconsciously competing with their fellow spirits in millions of worlds.

Plasden is an old planet. Human beings have lived thereon for thirty thousand years, and consequently, ages ago, the land area became so densely populated that there was not enough room to accommodate the increasing millions. This perplexing problem was solved in a very peculiar manner by an experiment on the part of a wealthy Plasdenite, who, seven thousand years ago, took advantage of the extremely light mineral products of this world and built for himself a floating mansion which covered about ten acres according to our measurements.

This fairy palace was floated on the