he stood with wide-open mouth and starting eye-balls, swaying and clutching wildly at the air. Then, with a shrill scream, he toppled backwards and fell, striking a pile in his descent and rebounding into the water.
In spite of the audible thump of his head on the pile, he was not stunned, for when he rose to the surface, he struck out vigorously, uttering short, stifled cries for help. Rorke watched him with set teeth and quickened breath, but made no move. Smaller and still smaller grew the head with its little circle of ripples, swept away on the swift ebb-tide, and fainter the bubbling cries that came across the smooth water. At length as the small black spot began to fade in the fog, the drowning man, with a final effort, raised his head clear of the surface and sent a last, despairing shriek towards the lighthouse. The fog-horn sent back an answering bellow; the head sank below the surface and was seen no more; and in the dreadful stillness that settled down upon the sea there sounded faint and far away the muffled tolling of a bell.
Rorke stood for some minutes immovable, wrapped in thought. Presently the distant hoot of a steamer's whistle aroused him. The ebb-tide shipping was beginning to come down and the fog might lift at any moment; and there was the boat still alongside. She must be disposed of
