had looked up at the sky and noted the position of the
sun at the moment of starting. Away they went on
the wings of the wind, mile after mile over the ocean-like
waste--curving slightly aside now and then to
avoid the bluffs that occasionally appeared on the
scene for a few minutes and then swept out of sight
behind them. Then they came to a little rivulet. It
was a mere brook of a few feet wide, and two or three
yards, perhaps, from bank to bank. Over this they
flew so easily that the spring was scarcely felt, and