2. C.Marcius, tribune of the plebs B. C. 311, brought forward with his colleague, L. Atilius, the law which is detailed elsewhere. [ATILIUS, No. 2.] (Liv. 9.30.) He is probably the same as the C. Marcius, who was chosen in B. C. 300 among the first plebeian augurs. (Liv. 10.9.)