employment is stock-breeding and camel-driving. They keep camels, goats, and sheep, but never horses. Pasture is available only during the winter rains, so that in the dry season the herdsman has often to make long journeys to the hills in

Fig. 103. — Arab Tribes in Egypt.
Scale 1: 6,000.000.

search of fodder. He is occasionally even compelled to diminish his flocks or hire himself out for a time to till the land in the Nile Valley, always returning to the steppe when it is again clothed with verdure. Although all are excellent dromedary riders, the people dwelling along the Nile are now more frequently employed than