The girl shrank from him. "You promised to tell me the origin of the rykor," she reminded him.
"Ages ago," he commenced, "our bodies were larger and our heads smaller. Our legs were very weak and we could not travel fast or far. There was a stupid creature that went upon four legs. It lived in a hole in the ground, to which it brought its food, so we ran our burrows into this hole and ate the food it brought; but it did not bring enough for all—for itself and all the kaldanes that lived upon it, so we had also to go abroad and get food. This was hard work for our weak legs. Then it was that we commenced to ride upon the backs of these primitive rykors. It took many ages, undoubtedly, but at last came the time when the kaldane had found means to guide the rykor, until presently the latter depended entirely upon the superior brain of his master to guide him to food. The brain of the rykor grew smaller as time went on. His ears went and his eyes, for he no longer had use for them—the kaldane saw and heard for him. By similar steps the rykor came to go upon its hind feet that the kaldane might be able to see farther. As the brain shrank, so did the head. The mouth was the only feature of the head that was used and so the mouth alone remains. Members of the red race fell into the hands of our ancestors from time to time. They saw the beauties and the advantages of the form that nature had given the red race
