1 Virgil, Aeneid, II, 774.
4 Quintus Curtius, III, ii. The general account is from Joannes Zonaras, Historia, III.
5 Livy, Annal., XXI, lvi.
6 Cicero, Tusc. disput., III, xxvii, 66. (The event figures in Shakespeare’s Antony and Cleopatra.) Then ibid., IV, viii, 19, citing Ennius.