I watch the sea--such a sea sometimes, such storms, such colour! You notice that ridge of sand out yonder?
It forms a sort of natural breakwater.

Even on the calmest day you can trace that white line of foam." "It is a strange coast," Hamel admitted.
Mr.Fentolin pointed with his forefinger northwards.
"Somewhere about there," he indicated, "is the entrance to the tidal river which flows up to the village of St.David's yonder.

You see ?" His finger traced its course until it came to a certain point near the beach, where a tall black pillar stood, surmounted by a globe.
"I have had a light fixed there for the benefit or the fishermen," he said, "a light which I work from my own dynamo.

Between where we are sitting now and there--only a little way out to sea--is a jagged cluster of cruel rocks.

You can see them if you care to swim out in calm weather.