BOOK V.

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;