6. Q. * Livy (4.21) calls him A. Servilius, in speaking of his dictatorship of B. C. 435, but Q. Servilius when he mentions his dictatorship of B. C. 418 (4.46), as well as when he speaks of him elsewhere (e. g. 4.26). There can, therefore, be no doubt that the name of Quintus is to be preferred, which we find also in the Capitoline Fasti. SERVILIUS SP. N. PRISCUS STRUCTUS FIDENAS, P. F., son of No. 5, was appointed dictator B. C. 435, in consequence of the alarm excited by the invasion of the Veientes and Fidenates, who had taken advantage of the plague, which was then raging at Rome, to ravage the Roman territory, and had advanced almost up to the Colline Gate. Servilius defeated the enemy without difficulty, and pursued the Fidenates to their town, to which he proceeded to lay siege, and which he took by means of a mine. From the conquest of this town he received the surname of Fidenas, which was afterwards adopted by his children in the place of Structus. Servilius is mentioned again in B. C. 431, when he called upon the tribunes of the plebs to compel the consuls to elect a dictator in order to carry on the war against the Volsci ard Aequi. In B. C. 418 the Roman army was defeated by the Aequi and the Lavicani, in consequence of the dissensions and incompetency of the consular tribunes of that year. Servilius was therefore appointed dictator a second time; he carried on the war with success, defeated the Aequi, and took the point of Lavici, where the senate forthwith established a Roman colony. (Liv. 4.21, 22, 26 45-47.)