Every here and there, as the schooner coasted northward, the wood was intermitted; and he could see clear over the inconsiderable strip of land (as a man looks over a wall) to the lagoon within--and clear over that again to where the far side of the atoll prolonged its pencilling of trees against the morning sky.

He tortured himself to find analogies.

The isle was like the rim of a great vessel sunken in the waters; it was like the embankment of an annular railway grown upon with wood: so slender it seemed amidst the outrageous breakers, so frail and pretty, he would scarce have wondered to see it sink and disappear without a sound, and the waves close smoothly over its descent.
Meanwhile the captain was in the forecross-trees, glass in hand, his eyes in every quarter, spying for an entrance, spying for signs of tenancy.

But the isle continued to unfold itself in joints, and to run out in indeterminate capes, and still there was neither house nor man, nor the smoke of fire.

Here a multitude of sea-birds soared and twinkled, and fished in the blue waters; and there, and for miles together, the fringe of cocoa-palm and pandanus extended desolate, and made desirable green bowers for nobody to visit, and the silence of death was only broken by the throbbing of the sea.
The airs were very light, their speed was small; the heat intense.