Note 686 — BOOK VI. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST, OR FORMERLY EXISTED. (continued 2)
John Bostock translation
Called Theron, as well as Epitheras. It was an emporium on the coast of the Red Sea for the trade with India and Arabia. It was chiefly remarkable for its position in mathematical geography, as, the sun having been observed to be directly over it forty-five days before and after the summer solstice, the place was taken as one of the points for determining the length of a degree of a great circle on the earth’s surface.