ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
ōtĭa: ae, f., = ὠτίον (little ear),I a kind of mussel, Plin. 32, 11, 53, § 149.