[903]. Idem, Ibid.
[904]. These were called ἠχεῖα. Schol. Aristoph. Nub. 292.
[905]. Schol. Aristoph. Nub. 292, 294.
[906]. Poll. iv. 130.
[907]. Poll. iv. 131.
[908]. Id. iv. 132.
[909]. Cf. Æsch. Prom. 2.
[910]. Vitruv. Præfat. lib. vii. Plut. Alcib. § 16.
[911]. Vitruv. v. 8. Etym. Mag. 763. 27.
[912]. Vid. Casal. c. 2.