The Stone Age

CHAPTER I

THE RECORD OF THE ROCKS

A few days ago, I was walking down the long field back of my house in Hastings-on-Hudson with J. Otis Swift, the naturalist. He stooped and picked up an odd-shaped fragment of quartz. “You could write a volume,” he observed, “about that stone. Long ago, in all probability, it appeared either in granite, a primal stone out of the warm crust of ...