Procillius

1. A Roman historian, a contemporary of Cicero. He appears to have written on early Roman history, as Varro quotes his account of the origin of the Curtian lake. and likewise on later Roman history, as Pliny refers to him respecting Pompey's triumph on his return from Africa (Varr. L. L. 5.148, comp. 5.154, ed. Müller; Plin. Nat. 8.2). He was held in high estimation by Atticus, but Cicero writes that Dicaearchus was far superior to him, from which we may infer that Procillius wrote likewise on geographical subjects. (Cic. Att. 2. § § 2.)

2. Tribune of the plebs, B. C. 56, was accused by Clodius in B. C. 54, together with his colleagues, C. Cato and Nonius Sufenas, on account of the violent acts which they had committed in their tribuneship. Cato and Nonius were acquitted, but Procillius was condemned. (Cic. Att. 4.15.4, 16.5, ad Q. Fr. 2.8.1; Drumann, Geschichte Roms. vol. ii. p. 339, vol. iii. p. 100.) This Procillius may have been the same person as the historian.

3. L. Procillius, whom we know only from coins, a specimen of which is annexed. The obverse represents the head of Juno Sispita, and the reverse Juno in a chariot. We may infer from this coin that the Procillii came from Lanuvium, which was celebrated for its worship of Juno Sispita. (Eckhel, vol. v. p. 289.)