V. SOIL SCIENCE 



637 



Thompson, H. N. 



TiLHO, J. 



Union of South Aprica 



Van Rooy, M. P., and 

 Durst, C. S. 



ViSCENTINI, M. 



Walker, Sir Gilbert 



Wattier, Capt. 



Wayland, E. J. 

 Welter, L. 



West Africa 

 WoRTHiNGTON, S. and E. B. 



924 



925 



931 

 928 



928 



923 

 934 



936 



936 



933 



926 



935 

 930 



931 



930 

 933 



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 and the Sudan. Phys. Dep. Pap., Cairo, 17. 

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Variations et disparition possible du Tchad. 

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Final report of the Drought Investigation Com- 

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Instructions for meteorological reports . . . and 

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Influences of berg winds on the temperatures 

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CHAPTER V. SOIL SCIENCE 



Beckley, V. A. 

 Behrend, F., an 

 Utescher, K. 



Champion, A. M. 

 Conference, East Africa, 



Conference, West Africa, 



Congress, International 

 Society of Soil Science 

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Du ToiT, A. L. 



Gracie, D. S. 



Hall, T. D. 



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1932 Some soil types from different climatic regions of 

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1933 Soil erosion in Africa. Geogr. J., 82, 130-39. 

 1932 Proc Conf. E. Afr. Soil Chemists, Nairobi, pp. 25. 

 1935 Proc Conf. E. Afr. Soil Chemists, Nairobi, pp. 63. 

 1930 Proc. Conf. W. Afr. agric. Off. Bull. Dep. Agric, 



GoldCst., 19, pp. 106. 

 1935 Trans. Int. Congr. Soil Sci. Thomas Murby & Co., 



London, 3 vols., pp. 428, 194, 270. 

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1 934 Some considerations upon agriculture and mining 

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1930 A preliminary survey of some of the soils in 

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1 934 South African pastures : retrospective and pros- 

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