Four-panel illustrated storyboard showing underwater scenes with fish, a rocky canyon, and a diver exploring a cave.

a four panel storyboard of this passage; "Under him, six or seven feet down, was a floor of perfectly clean, shining white sand, rippled firm and hard by the tides. Two grayish shapes steered there, like long, rounded pieces of wood or slate. They were fish. He saw them nose toward each other, poise motionless, make a dart forward, swerve off, and come around again. It was like a water dance. A few inches above them the water sparkled as if sequins were dropping through it. Fish again—myriads of minute fish, the length of his fingernail, were drifting through the water, and in a moment he could feel the innumerable tiny touches of them against his limbs. It was like swimming in flaked silver. The great rock the big boys had swum through rose sheer out of the white sand—black, tufted lightly with greenish weed. He could see no gap in it. He swam down to its base. Again and again he rose, took a big chestful of air, and went down. Again and again he groped over the surface of the rock, feeling it, almost hugging it in the desperate need to find the entrance. And then, once, while he was clinging to the black wall, his knees came up and he shot his feet out forward and they met no obstacle. He had found the hole." See more