Several ancient authors tell a puzzling story of treason to murder Alexander the Great by presenting him with poison or poisonous water carried in curious vessel — hoof horse, mule, an ass. Porphyry Tyre, citing Kallimachos and Philo Paradoxographer, gives us reason believe that mention hoof-made vessels was misinterpretation hornmade chalices, put otherwise, drinking horns. Presuming question ...