[320] In addition to the works mentioned on pp. xvii and xx f. and the bibliography listed on pp. 57-59, above, cf. Campbell, _Classical Review_, IV (1890), 303 ff.; Verrall in his edition of Euripides’ _Ion_ (1890), pp. xlviii ff.; Krause, _Quaestiones Aristophaneae Scaenicae_ (1903); Kent, “The Time Element in the Greek Drama,” _Transactions of the American Philological Association_, XXXVII (1906), 39 ff.; Felsch, _Quibus Artificiis Adhibitis Poetae Tragici Graeci Unitates Illas et Temporis et Loci Observaverint_ (1907); Polczyk, _De Unitatibus et Loci et Temporis in Nova Comoedia Observatis_ (1909); Marek, _De Temporis et Loci Unitatibus a Seneca Tragico Observatis_ (1909); Wolf, _Die Bezeichnung von Ort und Zeit in der attischen Tragödie_ (1911); Butcher, _Aristotle’s Theory of Poetry and Fine Art⁴_ (1911), pp. 274 ff.; Brasse, _Quatenus in Fabulis Plautinis et Loci et Temporis Unitatibus Species Veritatis Neglegatur_ (1914); and Manning, _A Study of Archaism in Euripides_ (1916). [321] ΧΟΡΟΥ is printed at this point in most editions but occurs in no manuscript (see p. 145, above); it has been inserted by the editors. [322] Cf. Scott, _Classical Philology_, VIII (1913), 453 ff. [323] Πάλαι in vs. 587 is entirely subjective; cf. Conrad, _The Technique of Continuous Action in Roman Comedy_ (1915), pp. 22 ff. [324] For example, the slips which occur in Aristophanes’ _Lysistrata_ (vss. 725 and 881). [325] Cf. _Discours des trois unités_, I, 113 f. (Regnier’s edition), quoted by Butcher, _op. cit._, pp. 294 f. [326] Cf. the introduction to his edition of the _Agamemnon_, and _Four Plays of Euripides_, pp. 1-42. [327] Cf. _Dramatic Essays_ (Everyman’s Library edition), p. 18. [328] Cf. _Poetics_ 1449_b_12-14. [329] Cf. England’s edition of Euripides’ _Iphigenia at Aulis_, p. xxvii. [330] Cf. _The Bookman_, XXX (1909), 37. [331] Cf. Archer, _Play-making_, pp. 123 f. [332] Cf. _Poetics_ 1450_a_38 f. [333] Cf. _Poetics_ 1450_b_22-35. [334] Cf. _The Old English Dramatists_, III. [335] Cf. _Poetics_ 1451_a_15-22. [336] Cf. _Technique of the Drama_, MacEwan’s translation², pp. 30 ff. [337] Cf. _Shakespeare as a Dramatic Artist_ (1902), pp. 150 f. [338] Cf. _Poetics_ 1459_b_22-28. [339] Cf. _op. cit._, p. 92. [340] Cf. _Dramatic Essays_ (Everyman’s Library edition), pp. 12 f. [341] Cf. _Poetics_ 1454_a_31 ff. [342] Cf. _Thucydides Mythistoricus_ (1907), p. 146.