The Dawn of the World, by C. Hart Merriam, , at sacred-texts.com
The Hookooeko of Nicasio and Tomales Bay say:
Se'-kah the Little Folk dwell in thick places in the dark redwood forest, where no people live. They are very small. Sometimes they make people crazy.
Le'-wah ke'-lak the Water People live in the ocean, in a roundhouse under the water; sometimes they come up and show themselves.