ἐνίοτε οἱ οἰκέται εἰς τὴν θάλασσαν ἐλαύνουσιν αὐτούς → sometimes the slaves ride them into the sea
Ar. and P. μουσικῶς, P. τεχνικῶς.
beautifully: P. and V. καλῶς; see skilfully.