For the original fragments see Warmington, E. H. (1935), Remains of Old Latin, vol 3. (Loeb), pp. 224–231.
Marcus Popillius was defeated by the Numantines in Spain in 138 BC. Publius Cornelius Scipio Aemilianus subsequently defeated the Numantines. (Warmington (1935), Remains of Old Latin, p. 229).