CHAPTER X

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THE SAHARA.

Its uncertain Limits--Caravan Routes--Ephemeral Streams--Oases-- Inundations--Luxuriant Vegetation of the Oases contrasted with the surrounding Desert--Harsh contrasts of Light and Shade-- Sublimity of the Desert--Feelings of the Traveller while crossing the Desert--Its charms and terrors--Sand-Spouts--The Simoom--The ‘Sea of the Devil’--The Gazelle--Its chase--The Porcupine--Fluctuation of Animal Life according to the Seasons-- The Tibbos and the Tuaregs--Their contempt of the sedentary Berbers 93

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