The inhumanity of the inhabitants made it, however, further productive of a commodity, which, until the world is christianized, will probably always be regarded as one of high value--the commodity of negro slaves, which were procured in the Sahara by slave-hunts, and perhaps by purchase in Nigritia.
Still further to the west, and forming the boundary of the Empire in this direction, lay the district of the Cyrenaica, a tract of singular fertility and beauty.

Between Benghazi, in east longitude 20 deg., and the Ras al Tynn (long.

23 deg.

15'), there rises above the level of the adjacent regions an extensive table land, which, attracting the vapors that float over the Mediterranean, condenses them, and so abounds with springs and rills.

A general freshness and greenness, with rich vegetation in places, is the consequence.