9. C.Herennius, to whom the treatise on rhetoric--Rhetoricorum ad C. Herennium Libri IV.--is addressed, cannot be identified with any of the preceding or following Herennii (ad Herenn. 1.1, 2.1, 4.1, 56). Respecting this work, see CICERO, p. 726, &c.
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890