The ridge on which he stood was not more than one hundred feet wide, a flat, narrow, sloping table.

Filled with curiosity, he strode to the opposite side and found himself upon the edge of a sharp decline, almost perpendicular in its fall to the valley below, which was apparently lower than the beach from which he had come.
As far as the eye could reach inland there was a mass of bright green trees, luxuriant and beautiful.

Below him was water, a natural harbor of tiny dimensions, running back from the sea which lay off to the far right as he faced the head of this peculiar elevation.

Plain to his eye was the contour of this great rock.

It resembled the letter L.Along the sea line it stretched high and ugly for nearly a mile, a solid wall, he imagined, some three hundred feet above the water, narrow at the top, like a great backbone.