Note 2566 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
He alludes to the poetical story of Tereus, king of Thrace, Progne, and Philomela. Aldrovandus suggests that the real cause of the absence of the swallow is the great prevalence here of northern winds, to which they have an aversion.