And now perchance is seeking Osio——

[Breaks off, for the gate opens and Rizzio slowly enters. A deadly purpose is on him as he looks around.

Rizzio (at length).

You clothe my thought,

Bianca, in the flesh

Of speech that I have shunned: but we shall know——

Soon know, for I have tracked him to this gate.

[To Aloysius, solemnly.

Where is he?

Aloysius (amazed).