[164] He wrote a lexicon to Plato in the third century after Christ.
[165] Dörpfeld gives various optical diagrams to exhibit the effects.
[166] We incessantly see this effect in modern theatres. But in Greece the presence of the chorus performing below would force spectators to regard the building as suspended.
[167] Save, of course, those on the new lowest seats, which went down to the new level of the excavated half. Dörpfeld has discovered evidence that the present lowest seats at Athens were added after the rest.
[168] Das griechische Theater, p. 364. After the publication of this view Dörpfeld altered his opinion, and suggested (Bull. Corr. Hell. 1896, p. 577 sqq.) that V. means not the ordinary Greek Theatre, but the Græco-Roman type found in Asia Minor. But this seems worse than his first thought. See Haigh³, pp. 147 sq.
[169] Ibid. pp. 146 sq.
[170] In Plato’s time this was notably so (Laws, 659 A-C, 700 C, 701 A).
[171] Plutarch, Nicias, 524 D.
[172] Aristotle, Rhetoric, III, i.
[173] This is the usual term employed. See, however, Haigh³, p. 13, note 3: “the word τετραλογία was applied only to a group of four plays connected in subject,” etc.