Abstract
DESERT regions have received much attention during recent years, and in this volume Prof. Walther presents a very instructive geographical study of the north-eastern part of Africa. This is something more than a new edition of that which he published under the same title in 1900, for the fourteen essays on different aspects of desert conditions which there appeared have been recast and rearranged under the headings of the character of the desert, erosion in the desert, and deposition in the desert, together with a fourth chapter in which the evidence for the identification of desert areas in the past history of the earth is assembled. A visit to Egypt and the north Sudan in 1911 provided the opportunity for extending and supplementing his earlier observations, and recent railway extensions enabled him in the time at his disposal to visit the oasis of Kharga, Khartum, and to cross the Red Sea hills between the Sudan plains and Suakin. The result is a very interesting and instructive work dealing primarily with a part of the north African desert, but introducing many examples from other arid regions of the world.
Das Gesetz der Wüstenbildung in Gegemvart und Vorzeit.
By Prof. Johannes Walther. Zweite, neubearbeitete Auflage. Pp. xv + 342; illustrated. (Leipzig: Quelle and Meyer, 1912.) Price 12 marks.
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L., H. Das Gesetz der Wüstenbildung in Gegenwari und Vorzeit . Nature 91, 105 (1913). https://doi.org/10.1038/091105a0
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DOI: https://doi.org/10.1038/091105a0