The first named is a dry watercourse ultimately joining the basin of the W.
The former category comprises the maintenance of provincial roads, bridges and watercourse embankments;, secondary education, whenever this is n.ot provided for by private, institutions or by the state (elementary education being maintained by the communes), and the maintenance of foundlings and pauper lunatics.
A little south is the mouth of the Darror, a usually dry watercourse with a length of over 200 m., which rises, as the Gebi, in the north-east of the British protectorate.
Or any continuous watercourse except the Wadi Hauran, which in rainy seasons forms a succession of pools from J.
Hanifa is its principal watercourse; its course is marked by an almost continuous series of palm groves and settlements, among which Deraiya the former, and Riad the present, capital of the Ibn Saud kingdom are the most extensive.