The book is available at Hathi Trust (I have not checked for other online sources).
(one of many photographs in the book)
Table of Contents
The folklore chapter covers pp. 335-403 of the book, and I've listed the titles of the stories below; you can see the other chapter topics here: Table of Contents.
How All Stories and All History Came Among Me
How the First Rain Came
How the Moon First Came Into the Sky
How All the Stars Came
How the Two Biggest Stars Came Into the Sky
How the Sun Came Into the Sky
How Sun and Moon Went Up to the Sky
Why the Sunset Is Sometimes Red and Stormy
How All the Rivers First Came on Earth
How the Lame Boy Brought Fire From Heaven
Oporopootop
How Palm Trees and Water Came on Earth
How Pythons Lost Hands and Feet
Why Snake Has Neither Hands Nor Feet
Why Lizard's Head Is Always Moving Up and Down
How the Tortoise Got the Cracks and Bumps on His Back
Why There Are No More Lions in the Bush
Why Bush Fowl Always Calls Up the Dawn
Why Frog and Snake Never Play Together
How the First Hippopotami Came
How Black and White Men Came on Earth
The Treasure House in the Bush
Why the Other Members Must Serve Belly
How Human Beings Got Knee-caps
Hair's Revenge
How Obassi Osaw Proved the Wisdom of Tortoise
Why Nki Lives in the Tops of Palm Trees
The Lord of the Bush
Why a Murderer Must Die