The cauceus (/kəˈduːsiəs/, -ʃəs, -ˈdjuː-; kerykeion in Greek) or Wand of Hermes is typically depicted as a short herald's staff entwined by two serpents in the form of a double helix, and sometimes surmounted by wings. In later Antiquity the caduceus was an astrological symbol of commerce and in Roman iconography was often depicted being carried in the left hand of Greek god Hermes, the messenger for the gods, conductor of the dead and protector of merchants and thieves.