Note 376 — LECTURE XIX, &c. Of the Drama in general.
Reading edition
Materiam vulgarem, notam, & e medio petitam. But Roscommon above, and, I think, most of the Commentators, make communia to be the same with what follows, ignota indictaque, i.e. common, till you took them, such as were no-body's Property before. In this Sense, Horace, as Dr. Trapp says, contradicts his Opinion of new Subjects being better than old.