"The Willi-Waw lay in the passage between the shore-reef and the outer-reef. From the latter came the low murmur of a lazy surf, but the sheltered stretch of water, not more than a hundred yards across to the white beach of pounded coral sand, was of glass-like smoothness. Narrow as was the passage, and anchored as she was in the shoalest place that gave room to swing, the Willi-Waw's chain rode up-and-down a clean hundred feet. Its course could be traced over the bottom of living coral. Like so ...