hummock-rocks

Updated: May 5, 2025

He was so intent upon watching this dangerous and difficult operation that he was oblivious of an extraordinary change which had taken place in the interior of the cavern. The water which, an hour ago, had left exposed a long reef of black hummock-rocks, was now spread in one foam-flecked sheet over the ragged bottom of the rude staircase by which he had descended.

Marcus Andrew Hislop Clarke - For the Term of His Natural Life