"Look back!" said Mescal.
Hare saw the river bursting from the base of the wall in two
white streams which soon united below, and leaped down in a
continuous cascade. Step by step the stream plunged through the
deep gorge, a broken, foaming raceway, and at the lower end of the
valley it took its final leap into a blue abyss, and then found its
way to the Colorado, hidden underground.
The flower-scented breeze and the rumbling of the river
persisted long after the valley lay behind and above, but these
failed at length in the close air of the huge abutting walls. The
light grew thick, the stones cracked like deep bell-strokes; the
voices of man and girl had a hollow sound and echo. Silvermane
clattered down the easy trail at a gait which urged Hare now and
then from walk to run
