[Sidenote: Verrius Flaccus.] Among the learned writers on special subjects one of the most important was Verrius Flaccus, of whose life little is known, except that he was chosen by Augustus to educate his grandsons Gaius and Lucius, and that he died in old age during the reign of Tiberius. Of his numerous works on grammatical and antiquarian subjects one only, _On the Meaning of Words_ (_De Verborum Significatu_), is partially preserved in an abridgment by Pompeius Festus, who seems to have lived in the third or fourth century after Christ. Only part of this abridgment remains, but this is important for the information it contains concerning Roman antiquities and early Latin words. A further abridgment of Festus was made in the eighth century by Paulus, and even this is of value, though it is a mere skeleton of the original work of Verrius Flaccus. [Sidenote: Hyginus.] Another scholar was Gaius Julius Hyginus, a freedman of Augustus and librarian of the Palatine library. His life extended from about 64 B. C. to about 17 A. D. He composed works on agriculture, history, geography, and antiquities, besides commentaries on Virgil and on Cinna’s poem to Asinius Pollio. Of all these works nothing remains; but two works under the name of Hyginus are extant. One of these is a treatise on astronomy, including myths relating to the stars, the other a mythological handbook entitled _Fabulæ_, to which a series of genealogies is appended. The handbook is valuable chiefly because the myths told in it are taken from Greek tragedies for the most part, and through them we learn the plots of many lost works of Greek authors. These extant works are, however, not by the librarian Hyginus, but by a later writer, who lived probably in the second century after Christ. [Sidenote: Labeo and Capito.] Of the legal writings of Marcus Antistius Labeo and Gaius Ateius Capito nothing remains. Each was the head of a school of writers and teachers on legal subjects. Labeo tried to explain changes and growth in legal matters, as well as in grammar, by the principle of analogy or likeness, while Capito regarded anomaly or difference as more important.