Development of Criticism 60 Theophrastus and others 61 Criticism of the later Philosophical Schools: The Stoics 62 The Epicureans: Philodemus 63 The Pyrrhonists: Sextus Empiricus 64 The Academics 66 The Neo-Platonists 67 Plotinus 67 Porphyry 68 Rhetoricians and Grammarians 70 Rhetoric early stereotyped 72 Grammatical and Scholiastic criticism 73 The Pergamene and Alexandrian Schools 74 Their Four Masters 75 The Scholiasts on Aristophanes 76 On Sophocles 77 On Homer 78 The Literary Epigrams of the Anthology 81 The Rhetoric of the Schools 87 Its documents 88 The _Progymnasmata_ of Hermogenes 90 Remarks on them 91