Note 6 — CAIUS PLINIUS SECUNDUS TO HIS FRIEND TITUS VESPASIAN.
Reading edition
Pliny the younger, in one of his letters (iii. 5), where he enumerates all his uncle’s publications, informs us, that he wrote “a piece of criticism in eight books, concerning ambiguity of expression.” Melmoth’s Pliny, i. 136.