Caption:
Glaucus transforms from man to sea god. Engraving depicting Jason and the Argonuats. Engraved illustration from 'The Temple of the Muses', 1733. This book represented remarkable events of antiquity drawn and engraved by Bernard Picart (1673-1733). Glaucus was a Greek prophetic sea-god, born mortal and turned immortal upon eating a magical herb.