Palladas again (A.Pl. 317):
Κωφὸν ἄναυδον ὁρῶν τὸν Γέσσιον, εἰ λίθος ἐστί,
Δήλιε, μαντεύου, τίς τίνος ἐστὶ λίθος.Looking here on Gessius, dumb and speechless, if he be of stone, tell by thy sooth, Delian Apollo, which is the stone statue of which.
(translated by W. R. Paton)