Note 3535 — BOOK V. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
The Etesians are periodical winds, which blow steadily from one quarter for forty days each year, during the season of the Dog-days. The opinion here stated was that promulgated by Thales the philosopher. Seneca refutes it in B. iv. c. 2. of his Quæst. Nat.