4. M.CaeciliusMetellus, brother of Nos. 2 and 3, was plebeian aedile in B. C. 208, the same year in which his brother Quintus was curule aedile, and praetor urbanus B. C. 206, during the consulship of Quintus. In the following year he was one of the ambassadors sent to king Attalus, and brought to Rome the sacred stone, which was regarded as the mother of the gods. (Liv. 27.36, xxviii, 10, 29.11.)