Seized by a vague terror, she clung to the parapet and trembled.

But even the great wall beneath her, solid as the earth itself, seemed to tremble under her feet, as with some inward commotion or dismay.

The next moment the water in the moat appeared to rush swiftly upwards, in wild uproar, fiercely confused, and covered with foam and spray.

To her bewildered eyes, it seemed to heap itself up, wave upon furious wave, to reach the spot where she stood, greedy to engulf her.

For an instant she fancied the storming billows pouring over the edge of the battlement, and started back in such momentary agony as we suffer in dreams.