_Scene Mycenae; the Stage and Orchestra arranged to represent the
Market Place, Portico of a Temple in the Centre; Inferior door on one
side is the gate to Palace of Aegisthus and Clytaemnestra, that on the
other leads to the tomb of Agamemnon; Side-scene on one side gives a
view of Argos. Enter from Distance side-door Orestes, Pylades and
Attendant._