[43] Cf. Diogenes Laertius iii. 56: τὸ παλαιὸν ἐν τῇ τραγῳδίᾳ πρότερον μὲν μόνος ὁ χορὸς διεδραμάτιζεν, ὕστερον δὲ Θέσπις ἕνα ὑποκριτὴν ἐξεῦρεν ὑπὲρ τοῦ διαναπαύεσθαι τὸν χορόν.
[44] Cf. The Origin of Tragedy, p. 60.
[45] Cf. Hiller, Rheinisches Museum für Philologie, XXXIX (1884), 329.
[46] Cf. Horace Ars Poetica, vs. 276:
dicitur et plaustris vexisse poemata Thespis.
[47] Cf. Kleine Schriften, p. 422, and Neue Jahrbücher für das klassische Altertum, XXIX (1912), 474.
[48] Cf. Suidas, s.v. “Thespis”: μνημονεύεται δὲ τῶν δραμάτων αὐτοῦ Ἆθλα Πελίου ἢ Φόρβας, Ἱερεῖς, Ἠίθεοι, Πενθεύς.
[49] Cf. Diogenes Laertius v. 92. Both Aristoxenus and Heraclides were pupils of Aristotle.
[50] Cf. Ridgeway, op. cit., p. 69.
[51] Cf. Suidas, s.v. οὐδὲν πρὸς τὸν Διόνυσον (quoted on [p. 29, n. 2], below).