Iconography
Castor and Pollux are consistently associated with horses in art and literature. They are widely depicted as helmeted horsemen carrying spears. The Pseudo-Oppian manuscript depicts the brothers hunting, both on horseback and on foot.
On votive reliefs they are depicted with a variety of symbols representing the concept of twinhood, such as the dokana (δόκανα – two upright piece of wood connected by two cross-beams), a pair of amphorae, a pair of shields, or a pair of snakes. They are also often shown wearing felt caps, above which stars may be depicted. They are depicted on metopes from Delphi showing them on the voyage of the Argo (Ἀργώ) and rustling cattle with Idas. Greek vases regularly show them in the rape of the Leucippides, as Argonauts, in religious ceremonies and at the delivery to Leda of the egg containing Helen. They can be recognized in some vase-paintings by the skull-cap they wear, the pilos (πῖλος), which was already explained in antiquity as the remnants of the egg from which they hatched.
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