The book is available at Hathi Trust and Internet Archive.
I. How the Old Greeks looked at Nature
II. The Chief Gods and Goddesses of Olympus
III. Stories of the Sun-god
IV. The Chief Deities of Earth
V. The Lesser Deities of Earth
VI. Deities of the Sky and Air—I
VII. Deities of the Sky and Air—II
VIII. Gods and Goddesses of the Ocean
IX. Stories of Rivers
X. Stories of Animals—I
XI. Stories of Animals—II
XII. Stories of Birds—I
XIII. Stories of Birds—II
XIV. Stories of Birds—III
XV. Stories of Trees
XVI. Stories of Flowers and Plants
XVII. Stories of Volcanic Regions
XVIII. The Gorgon's Head, and Stories of Stones
XIX. Stories of the Heroes—I
XX. Stories of the Heroes—II