Note (4) — 32.—More about the castle of the sparrow-hawk.

(4.) “nobody knows where it goes.”—This observation on the peculiarities of the Upper Euphrates, is confirmed by other authors (Procopius, De Bell. Pers., i, 17; and Ritter, Die Erdkunde etc., x, 736). On emerging from a narrow valley, the river completely disappears amongst reeds, which, though annually taken and burnt, again grow very fast, and so thickly, that carts might be driven over them to cross the river.—Bruun.