"Myth, Ritual and Religion" in 2 volumes is one of the best-known works by a Scottish author Andrew Lang first published in 1887, in which he explained the "irrational" elements of mythology as survivals from more primitive forms.

Volume 1:
Systems of Mythology
New System Proposed
The Mental Condition of Savages – Confusion With Nature – Totemism
The Mental Condition of Savages – Magic – Metamorphosis – Metaphysic – Psychology
Nature Myths
Non-aryan Myths of the Origin of the World and of Man
Indo-aryan Myths – Sources of Evidence
Indian Myths of the Origin of the World and of Man
Greek Myths of the Origin of the World and Man
Greek Cosmogonic Myths
Savage Divine Myths

Volume 2:
Gods of the Lowest Races
American Divine Myths
Mexican Divine Myths
The Mythology of Egypt
Gods of the Aryans of India
Greek Divine Myths:
Apollo
Artemis
Dionysus
Athene
Hermes
Demeter
Heroic and Romantic Myths...