He wrote commentaries on the hymns of the Salii, and (probably) on the "Twelve Tables"; and investigated the genuineness of the Plautine comedies, of which he recognized 25, four more than were allowed by Varro.
He wrote commentaries on the hymns of the Salii. This was what Four were allowed by Varro. He wrote commentaries on (probably) on the "Twelve Tables". This was what Four were allowed by Varro. He investigated the genuineness of the Plautine comedies. This was what Four were allowed by Varro. He recognized 25 of the Plautine comedies.