however, for the cliffs were nearly perpendicular, and
the snow slipping over their edges had fallen on the
grass below. Such an avalanche was now about to take
place, and it was this that caused Joe to utter his cry
of alarm and warning.
Henri and the horse were directly under the cliff over
which it was about to be hurled, the latter close to the
wall of rock, the other at some distance away from it.
Joe cried again, "Back, Henri! back
vite