He is said to have written the history of his consulship and the Cimbrian War after the manner of Xenophon; two epigrams by him have been preserved, one on Roscius the celebrated actor (Cicero, De Nat.
Cicero was on friendly terms with both him and Roscius, the equally distinguished comedian, and did not disdain to profit by their instruction.
QUINTUS ROSCIUS GALLUS (c. 126-62 B.C.), Roman actor, was born, a slave, at Solonium, near Lanuvium.
The two often engaged in friendly rivalry to try whether the orator or the actor could express a thought or emotion with the greater effect, and Roscius wrote a treatise in which he compared acting and oratory.
Like his contemporary Aesopus, Roscius amassed a large fortune, and he appears to have retired from the stage some time before his death.
See Peter Cunningham, The Story of Nell Gwyn, edited by Gordon Goodwin (1903); Waldron's edition of John Downes's Roscius Anglicanus (1789); Osmund Airy, Charles II.
Ameria is not mentioned in the history of the Roman conquest of Umbria, but is alluded to as a flourishing place, with a fertile territory extending to the Tiber, by Cicero in his speech in defence of Sextus Roscius Amerinus, and its fruit is often extolled by Roman writers.
In the following year he made his celebrated defence of Sextus Roscius on a charge of parricide.