. Date varieties and date culture in Tunis. and culture of the date palm apply almost solely to the reference is made to some other region, it is especially des-ignated. THE JERID. The name Jerid (French spelling, Djerid) is an abbreviationof Beled-el-Jerid —the cities of date palms. The group con-sists of four oases—Nefta, Tozer, El Oudiane, and El Hamma—sep- 92 12 DATE VARIETIES AND DATE CULTURE IX TUNIS. arated one from another by several miles of barren, sandy, or stonydesert. They lie at the northern edge of the Sahara Desert, nestlingat the foot of a line of cliffs that forms


. Date varieties and date culture in Tunis. and culture of the date palm apply almost solely to the reference is made to some other region, it is especially des-ignated. THE JERID. The name Jerid (French spelling, Djerid) is an abbreviationof Beled-el-Jerid —the cities of date palms. The group con-sists of four oases—Nefta, Tozer, El Oudiane, and El Hamma—sep- 92 12 DATE VARIETIES AND DATE CULTURE IX TUNIS. arated one from another by several miles of barren, sandy, or stonydesert. They lie at the northern edge of the Sahara Desert, nestlingat the foot of a line of cliffs that forms the north bank of the ShottJerid. The Shott. which is about 68 miles long from west to east, isin winter a large, shallow salt lake, and in summer a mud flat, coveredtoward its center with a shining white crust of salt, much resembling,therefore, the Salton Sink in southeastern California. Its mean ele-vation is about 70 feet above sea level. Toward the northwest itopens into the Shott Gharsa. continued still farther westward as the. Fig. 1.—Map shoeing the location of the Tunis oases with respect to other localities in Algeria and Tunis. Shott Melrhirh, which borders the Oued Rirh oases of the easternmost of the Jerid oases the Shott Jerid contractsinto a strait, which connects it with the much narrower Shott-el-Fejej. The latter extends eastward to within a few miles of the sea,near Gabes. Xear its western end the Shott Jerid is bordered on the north by abarren, rocky line of bluffs of the pliocene formation, which farther a See Bui. 80, Bureau of Plant Industry, U. S. Dept. of Agriculture. 1905,p. GEOGRAPHY OF THE JERID. 13 east rises into the Jebel Sherb range of mountains. This escarpment,known as the Draa-el-Jerid, runs nearly east and west. West ofNefta it ends in a promontory extending between the Shott Jerid andthe Shott Gharsa. It is virtually the southern edge of an arid, gen-erally stony plain, almost devoid of vegetation, which extend


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