Favorinus in his Miscellaneous History affirms that Aristotle was the first to compose a forensic speech in his own defence written for this very suit ; and he cites him as saying that at Athens Pear upon pear grows old and fig upon fig.® According to Apollodorus in his Chronology he was born in the first year of the 99th Olympiad.° He attached himself to Plato and resided with him twenty years, having become his pupil at the age of seventeen. He went to Mitylene in the archonship of Eubulus in the fourth year of the 108th Olympiad.¢ When Plato died in the first year of that Olympiad,’ during the archonship of Theophilus, he went to Hermias and stayed with him three years. In the archonship of Pythodotus, in the second year of the 109th Olympiad,t he went to the court of Philip, Alexander being then in his fifteenth year. His arrival at Athens was in the second year of the 111th Olympiad,’ and he lectured in the Lyceum for thirteen years; then he retired to Chalcis in the third year of the 114th Olympiad” and died a natural death, at the age of about sixty-three, in the archonship of Philocles, in the same year in which Demosthenes died at Calauria. It is said that he incurred the king’s displeasure because he had introduced Callisthenes to him, and that Alexander, in order to cause him annoyance, honoured Anaximenes?* and sent presents to Xenocrates. Theocritus of Chios, according to Ambryon in his