περὶ ῥητορικῆς ἢ Γρύλλος: On rhetoric.
προτρεπτικός: An exhortation to philosophy (probably in dialogue, because it is the model of Cicero’s dialogue Hortensius).
Εὔδημος ἢ περὶ Ψυχῆς: On soul (perhaps cited in De Anima, i. 4, 407 b 29, καὶ τοῖς ἐν κοινῷ γενομένοις λόγοις).
2. Didactic writings:—
(1) Metaphysical:—
περὶ τἀγαθοῦ: On the good (probably not a dialogue but a report of Plato’s lectures).
περὶ ἰδεῶν: On forms.
(2) Political:—
περὶ βασιλείας: On monarchy.
Άλέξανδρος ἤ ὑπὲρ ἀποίκων: On colonies.