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Rh not to labor in the mines. The law is, however, that each male Gatholian shall give an hour a day in labor to the government. That is practically the only tax that is levied upon them. They prefer however, to furnish a substitute to perform this labor, and as our own people will not hire out for labor in the mines it has been necessary to obtain slaves, and I do not need to tell you that slaves are not won without fighting. We sell these slaves in the public market, the proceeds going, half and half, to the government and the warriors who bring them in. The purchasers are credited with the amount of labor performed by their particular slaves. At the end of a year a good slave will have performed the labor tax of his master for six years, and if slaves are plentiful he is freed and permitted to return to his own people."

"You fight in platinum and diamonds?" asked Tara, indicating his gorgeous trappings with a quizzical smile.

Gahan laughed. "We are a vain people," he admitted, good-naturedly, "and it is possible that we place too much value on personal appearances. We vie with one another in the splendor of our accoutrements when trapped for the observance of the lighter duties of life, though when we take the field our leather is the plainest I ever have seen worn by fighting men of Barsoom. We pride ourselves, too, upon our physical beauty, and especially