Much of this was over the heads of the boys, but they strove to comprehend dimly this tale of the past. "What was them stone houses for?" Hare-Lip queried.
"You remember when your dad taught you to swim?" The boy nodded. "Well, in the University of California—that is the name we had for the houses—we taught young men and women how to think, just as I have taught you now, by sand and pebbles and shells, to know how many people lived in those days. There was very much to teach. The young men and