Argus' eyes changed into peacock's 'eyes' (ocelli): Juno sets Argus' eyes on her peacock, after Argus, while watching Io, has been slain by Mercury (Ovid, Metamorphoses I 723)

Juno Decorating her Peacocks with the Eyes of Argus

Magdalena van de Passe, c. 1636 - 1670

Mercurius doodt Argus

workshop of Bernard Picart, 1733

Juno zet de ogen van Argus in de staart van haar pauw

Philip van Gunst, 1685 - 1732