Enthymemes on Magnitude; one of Divisions of Enthymemes; on Style, two; on Advice, one; on Collection, two; on Nature, three; on Natural Philosophy, one; on the Philosophy of Archytas, three; on the Philosophy of Speusippus and Xenocrates, one; on things taken from the doctrines of Timæus and the school of Archytas, one; on Doctrines of Melissus, one; on Doctrines of Alcmæon, one; on the Pythagoreans, one; on the Precepts of Gorgias, one; on the Precepts of Xenophanes, one; on the Precepts of Zeno, one; on the Pythagoreans, one; on Animals, nine; on Anatomy, eight; one book, a Selection of Anatomical Questions; one on Compound Animals; one on Mythological Animals; one on Impotence; one on Plants; one on Physiognomy; two on Medicine; one on the Unit; one on Signs of Storms; one on Astronomy; one on Optics; one on Motion; one on Music; one on Memory; six on Doubts connected with Homer; one on Poetry; thirty-eight of Natural Philosophy in reference to the First Elements; two of Problems Resolved; two of Encyclica, or General Knowledge; one on Mechanics; two consisting of Problems derived from the writings of Democritus; one on Stone; one book of Comparisons; twelve books of Miscellanies; fourteen books of things explained according to their Genus; one on Rights; one book, the Conquerors at the Olympic Games; one, the Conquerors at the Pythian Games in the Art of Music; one, the Pythian; one, a List of the Victors in the Pythian Games; one, the Victories gained at the Olympic Games; one on Tragedies; one, a List of Plays; one book of Proverbs; one on the Laws of Recommendations; four books of Laws; one of Categories; one on Interpretation; a book containing an account of the Constitutions of a hundred and fifty-eight cities, and also some individual democratic, oligarchic, aristocratic, and tyrannical Constitutions; Letters to Philip; Letters of the Selymbrians; four Letters to Alexander; nine to Antipater; one to Mentor; one to Ariston; one to Olympias; one to Hephæstion; one to Themistagoras; one to Philoxenus; one to Democritus; one book of Poems beginning:— Hail! holy, sacred, distant-shooting God. A book of Elegies which begins:— Daughter of all-accomplish’d mother. The whole consisting of four hundred and forty-five thousand two hundred and seventy lines.