The Rocks of Valpre — Ethel M. Dell / Ethel May Dell

When cinders began to dig a hole no power on earth, except brute force, could ever stop him till he sank exhausted. Not even the sight of a crab could divert his thoughts from this entrancing occupation, much less his mistress's shrill whistle; and this was strange, for on all other occasions it was his custom to display the most exemplary obedience.