THE SERPENT/ CADUCEUS. Caduceus A caduceus is a wand entwined by two snakes and topped by wings or a winged helmet. The caduceus is associated with Magic, spiritual enlightenment, wisdom, immortality, and healing. The T-shape of the caduceus is derived from the tau cross, a T-shaped cross used in ancient Egyptian and Mithraic mysteries. The caduceus is most strongly associated with Hermes, the Greek messenger god of magic who flies as fleet as thought. Hermes carries his magical wand when escort