Book 4
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On Art, one book. On the Gods, two books. On the Soul, two books. On Science, one book. The Statesman, one book. On Cognition, one book. On Philosophy, one book. On the Writings of Parmenides, one book. Archedemus or Concerning Justice, one book. On the Good, one book. Things relating to the Understanding, eight books. Solution of Logical Problems, ten books. Physical Lectures, six books. Summary, one book. On Genera and Species, one book. Things Pythagorean, one book. Solutions, two books. Divisions, eight books. Theses, in twenty books, 30,000 lines. The Study of Dialectic, in fourteen books, 12,740 lines. After this come fifteen books, and then sixteen books of Studies relating to Style. Nine books on Ratiocination. Six books concerned with Mathematics. Two other books entitled Things relating to the Intellect. On Geometers, five books. Commentaries, one book. Contraries, one book. On Numbers, one book. Theory of Numbers, one book. On Dimensions, one book. On Astronomy, six books.
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Elementary Principles of Monarchy, in four books, dedicated to Alexander. To Arybas. To Hephaestion. On Geometry, two books.
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These works comprise in all 224,239 lines.
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Such was his character, and yet, when he was unable to pay the tax levied on resident aliens, the Athenians put him up for sale. And Demetrius of Phalerum purchased him, thereby making twofold restitution, to Xenocrates of his liberty, and to the Athenians of their tax. This we learn from Myronianus of Amastris in the first book of his Chapters on Historical Parallels. He succeeded Speusippus and was head of the school for twenty-five years from the archonship of Lysimachides, beginning in the second year of the 110th Olympiad.339-338 b.c. He died in his 82nd year from the effects of a fall over some utensil in the night.
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Upon him I have expressed myself as followsAnth. Pal. vii. 102.: Xenocrates, that type of perfect manliness, stumbled over a vessel of bronze and broke his head, and, with a loud cry, expired.
