Note 2619 — BOOK XXXVI. THE NATURAL HISTORY OF STONES.
John Bostock translation
Or “Narrow” gate, apparently. Dion Cassius, B. 74, tells a similar story nearly, of seven towers at Byzantium, near the Thracian Gate; and “Thracia” is given by the Bamberg MS. It is most probable that the two accounts were derived from the same source.