Long ago, in Dutch Fairy Land, there lived a young mermaid who was very proud of her good looks. She was one of a family of mere or lake folks dwelling not far from the sea. Her home was a great pool of water that was half salt and half fresh, for it lay around an island near the mouth of a river. Part of the day, when the sea tides were out, she splashed and played, dived and swam in the soft water of the inland current. When the ocean heaved and...