The Golden Bough: A Study in Magic and Religion (Third Edition, Vol. 08 of 12)
Chapter IX. Ancient Deities of Vegetation as Animals.
§ 1. Dionysus, the Goat and the Bull. § 2. Demeter, the Pig and the Horse. § 3. Attis, Adonis, and the Pig. § 4. Osiris, the Pig and the Bull. § 5. Virbius and the Horse.