Note 3481 — BOOK V. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
This also is borrowed from Herodotus. As some confirmation of this account, it is worthy of remark, that the Rock Tibboos of the present day, who, like the ancient Troglodytæ, dwell in caves, have so peculiar a kind of speech, that it is compared by the people of Aujelah to nothing but the whistling of birds. The Troglodytæ of Fezzan are here referred to, not those of the coasts of the Red Sea.