But the unfading artificial retina which has looked upon them retains their impress, and a fresh sunbeam lays this on the living nerve as if it were radiated from the breathing shape.

From where he sat he could now watch the passage of the great mortar shells through the sky, looking like swiftly moving comets cleaving unfathomable space; then, falling, faster and faster, dropping out of the heights of night, they seemed to leave behind them tracks of fire that lingered on the dazzled retina long after they had disappeared.

Rolfe looked steadily at the corpse for some time, impressing a picture of it in every detail on his mental retina.

Sylvia was indeed aware of great pictured spaces, crowded dimly with thronging figures, men, horses, womenthey reached no more than the outer retina of her eye.

But the unfading artificial retina which has looked upon them retains their impress, and a fresh sunbeam lays this on the living nerve as if it were radiated from the breathing shape.