Nile: Called in Old Egyptian either Hapi or P-iero, "the river," of which Nehar Misraim, "the river of Egypt," or simply Nahal, "the valley" or "stream," were Semitic translations. The Greek name Nilus was probably a corruption of the Phenician name Nahal. The Arabs now call it Bahr, "the sea," the two Niles being distinguished as Bahr-el-Azrak, "the turbid" or Blue Nile, and Bahr-el-Abyad, the "clear" or White Nile. The Nile was also called Sihor, the "blue" or "dark" river, of which Nilus might conceivably be

---