No spirit throws a shadow—so why did this one have an echo answering back? The island's superstition suddenly looks unstable.

“Sperrit? Well, maybe,” he said. “But there’s one thing not clear to me. There was an echo. Now, no man ever seen a sperrit with a shadow; well then, what’s he doing with an echo to him, I should like to know? That ain’t in natur’, surely?”