The Eleusinian Mysteries occupy a singular position in the depth-psychology corpus, functioning simultaneously as historical institution, archetypal template, and hermeneutic lens for the transformation of consciousness. Burkert provides the most rigorous documentary foundation, treating the Mysteries as an anthropological phenomenon rooted in sacrificial ritual, agricultural symbolism, and the psychology of secrecy — his analysis of the kykeon, the pig-sacrifice, the Telesterion, and the hierophant’s fire anchors the symbolic in verifiable cult practice. Rohde, writing from the history-of-religion tradition, attends chiefly to the Mysteries as a vehicle for Greek belief in blessed immortality, foregrounding their function as an organized institution linking chthonic deity-worship to eschatological hope. Neumann reads Eleusis archetypally, as the locus par excellence of the feminine transformation mysteries, where the Brimo-Brimos cry encodes the regenerative logic of matriarchal consciousness. Jung and Kerényi, in their collaborative Essays, treat the Eleusinian paradox — the silent showing of the mown ear of corn — as the paradigm case of a mythologem that is neither allegory nor concept but lived psychic reality. The central tension in the corpus runs between the historicist-ritualist reading (Burkert, Rohde) and the archetypal-psychological reading (Neumann, Jung-Kerényi): whether the Mysteries are primarily a cult system or primarily a crystallization of perennial psychic processes.