Note 1 — Chapter I · EMBLEMS, AND THEIR VARIETIES, WITH SOME EARLY EXAMPLES.

See the Olympica, 12. 10: “σύμβολον πιστὸν ἀμφὶ πράξιος ἐσομένης.” Also Æschylus, Agamemnon, 8: “καὶ νῦν φυλάΣΣΑ λαμπ/δος τὸ σύμβολον.”