[12] Cf. Welcker, _Nachtrag zu der Schrift über die Aeschylische Trilogie nebst einer Abhandlung über das Satyrspiel_ (1826); Furtwängler, “Der Satyr aus Pergamon,” _Berliner Winckelmannsfest Programm_, XL (1880); U. von Wilamowitz-Möllendorff, _Einleitung in die griechische Tragödie_ [Vol. I of his edition of Euripides’ _Heracles_ (1889)], pp. 43 ff. and _Neue Jahrbücher für das klassische Altertum_, XXIX (1912), 464 ff.; Bethe, _Prolegomena zur Geschichte des Theaters im Altherthum_ (1896); G. Körte, “Satyrn und Böcke,” in Bethe’s _Prolegomena_, pp. 339 ff.; Wernicke, “Bockschöre und Satyrdrama,” _Hermes_, XXXII (1897), 290 ff.; Schmid, _Zur Geschichte des gr. Dithyrambus_ (1901); Reisch, “Zur Vorgeschichte der attischen Tragödie,” in _Festschrift Theodor Gomperz_ (1902), pp. 451 ff.; Crusius, _s.v._ “Dithyrambos,” in Pauly-Wissowa, _Real-Encyclopädie_, V, 1203 ff. (1903); Dieterich, “Die Entstehung der Tragödie,” _Archiv für Religionswissenschaft_, XI (1908), 163 ff. [Kleine Schriften, pp. 414 ff.]; Farnell, _Cults of the Greek States_, V, 85 ff., and especially pp. 224 ff. (1909), and “The Megala Dionysia and the Origin of Tragedy,” _Journal of Hellenic Studies_, XXIX (1909), xlvii; Ridgeway, _The Origin of Tragedy with Special Reference to the Greek Tragedians_ (1910), and _The Dramas and Dramatic Dances of Non-European Races in Special Reference to the Origin of Greek Tragedy_ (1915), reviewed by Flickinger in _Classical Weekly_, XI (1918), 107 ff.; Nilsson, “Der Ursprung der Tragödie,” _Neue Jahrbücher für das klassische Altertum_, XXVII (1911), 609 ff. and 673 ff.; Jane Harrison, _Themis, a Study of the Social Origins of Greek Religion_ (1912); Murray, “The Ritual Forms Preserved in Greek Tragedy,” in Miss Harrison’s _Themis_, pp. 341 ff.; Flickinger, “Tragedy and Satyric Drama,” _Classical Philology_, VIII (1913), 261 ff.; and Cook, _Zeus, a Study in Ancient Religion_, I (1914), 665 ff. and 695 ff. [13] Cf. Lawson, _Annual of British School at Athens_, VI (1900), 125 ff.; Dawkins, _ibid._, XI (1905), 72 ff.; and Wace, _ibid._, XVI (1910), 232 ff. [14] Cf. Suidas, _s.v._ “Phrynichus.” [15] Cf. _Euripides the Rationalist_, p. 243. [16] Cf. von Wilamowitz, _Neue Jahrbücher f. kl. Altertum_, XXIX (1912), 474, and Cook, _Zeus_, I, xiii f. [17] Cf. his _Aristotle on the Art of Poetry_, p. 135. This opinion is confirmed by the fact that men of such importance as Thespis and Phrynichus are not so much as mentioned in the _Poetics_. [18] Cf. _Poetics_ 1449_a_9-11: γενομένη <δ’> ἀπ’ ἀρχῆς αὐτοσχεδιαστική, ... καὶ ἡ μὲν ἀπὸ τῶν ἐξαρχόντων τὸν διθύραμβον. [19] Cf. _Laws_ 700 B: καὶ ἄλλο (sc. εἶδος ᾠδῆς) Διονύσου γένεσις, οἶμαι, διθύραμβος λεγόμενος. [20] Cf. Bergk, _Poetae Lyrici Graeci⁴_, II, 404, fr. 77: ὡς Διονύσοι’ ἄνακτος καλὸν ἐξάρξαι μέλος οἶδα διθύραμβον, οἴνῳ συγκεραυνωθεὶς φρένας. [21] Cf. _ibid._, III, 559, fr. 1, vs. 16. [22] Cf. _Olymp._ XIII, 18 f.: