ILLUSTRATIONS 



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Plate I. Oasis of Biskra, Algeria, showing date palms Frontispiece. 



II. Fig. 1. — Salt land near Relizane, in the coast region of Algeria. 

 Fig. 2. — Vineyard of wine grapes, in the Mitidja plain, near 

 Algiers 98 



III. Fig. 1. — Garden of the kai'd, at Tougourt, showing cabbage, pep- 



pers, and other vegeta])les grown in the shade of the palms. Fig. 

 2. — Date palms planted in very salty land by a French company 

 at Onrlana, in the Sahara 98 



IV. Fig. 1. — Valley of the Habra, lielow the reservoir dam, near Per- 



regaux, showing width of flood plain and small size of the stream 

 in summer. A typical landscape in the coast region of western 

 Algeria. Fig. 2. — Alkali-resistant alfalfa near Temacin, Algerian 



Sahara 98 



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