In color the Jordan is not unlike the Tiber. In breadth it varies from eighty to 240 feet; in depth it is from two to sixteen feet; in motion it flows from two to twelve knots an hour, bearing on its yellow bosom, as it rolls to the sea, the débris of northern forests. In its descent there are wild cascades, down which the foaming torrent leaps eleven feet, at the rate of twelve miles an hour. Throughout its sinuous course there are twenty-seven rapids, some of which are 900 feet long, and the shallow waters foam as they pass over the large boulders of sandstone and trap. Below the longest rapid there is a series of five falls, having a descent of eighteen feet, with rapids between them; and at El-Bŭk’ah there is a whirlpool grand and dangerous. At intervals, where the channel is deep and free from rocks, a boat might glide with ease and pleasure. In the broader portions of the river bed there are islands, some barren, others verdant and flowery. Near the four well-known fords are the remains of old mills, with their sluices, and the ruins of ancient bridges of Roman construction, pointing us back to a better civilization, and reflecting the genius, industry, and utility of a former age. At Semakh, a mile south of the Lake of Tiberias, are the abutments of a fine bridge of ninety feet span, and at Zurka are the remains of a nobler structure. Illustration: SHOOTING THE RAPIDS. Midway the two seas the Brook Jabbok flows into the Jordan. Descending through a deep ravine, amid the loftiest of the Ajlûn range, its volume is swelled by the mountain torrents, rendering it at times impassable. Its banks are fringed with tamarisks and oleanders, the clustering flower of the latter imparting a gorgeous aspect to the scene. As three thousand years ago the Jabbok was the boundary between the kingdoms of Sihon and of Og,[280] so this modern Zurka is the dividing line between the province of Belka and that of Ajlûn. Somewhere on its banks occurred one of those thrilling events so common in the patriarchal history. Coming from the distant home of Laban, enriched with the rewards of twenty years’ industry, and blessed with a numerous family of children and servants, the patriarch Jacob halted on the northern bank of the Jabbok, and that night wrestled with an angel. And as the light of the coming day dawned, down the glens and sides of the southern mountain the chieftain of Seir came, with his four hundred warriors. Hoping to appease Esau’s anger by the gentleness of his manner, Jacob crossed the brook, and, forgetting the enmities of boyhood, the twin brothers embraced and were reconciled. Parting, Esau returned to his mountain home, and, fording the Jordan here, Jacob ascended by the beautiful Tirzah, and dwelt in the Vale of Shechem.[281]