Second volume of Vermaseren's series Études préliminaires aux religions orientales dans l'Empire romain, Mithriaca, dedicated to a small Mithraic sanctuary on the island of Ponza in the Tyrrhenian Sea.
In this relief of Mithras as bull slayer, recorded in 1562 in the collection of A. Magarozzi, Cautes and Cautopates have been replaced by trees still bearing the torches.
Mithras slaying the bull appears as the sign of Capricorn in a zodiacal sequence on the Pórtico del Cordero of the Abbey de Santo Domingo de Silos, Burgos, Spain.