James, Colonel S. Price, 



C.M.G., F.R.S. 



Johnston, Dr. H. B. 



LIST OF AUTHORITIES 619 



Chapters 

 Formerly of the Ministry of Health XVI 



Senior Investigator, Locust Inves- VI, VIII, 

 tigation, Imperial Institute of Ento- X 



mology 



Department of Geology, Cam- 1 1 -IV 



bridge 



Institute of Hygiene, Lisbon XVI 



Assistant Director, Rothamsted Ex- V, VI, XII 

 perimental Station 



Deputy Director, Imperial Bureau XIV 



of Animal Nutrition, Aberdeen 



Director, Marine Biological Associa- IX 



tion, Plymouth 



KiTSON, Sir Albert, c.m.g., c.b.e. Late Director, Geological Survey, III, IV 



Gold Coast 



Imperial Bureau of Soil Science, V, XI -XIV 

 Rothamsted Experimental Station (Biblio- 



graphy) 



Formerly Principal, Imperial Col- XIII 



lege of Agriculture, Trinidad 



Office International des Epizootics, XIV 



Paris 



Director, Imperial Bureau of Agri- XIV, XVI 

 cultural Parasitology 



Lennox-Conyngham, Colonel Reader in Geodesy, Cambridge 



Jones, Professor O. T., f.r.s. 



Jorge, Professor Ricardo 

 Keen, Dr. B, A., f.r.s. 



Kelly, Dr. F. C. 



Kemp, Dr. S. W., f.r.s. 



Law^renge, a. J. L. 



Leake, Dr. H. Martin 

 Leclainche, Monsieur E. 

 Leiper, Professor R. T., f.r.s 



Sir Gerald, f.r.s. 

 Leppan, Professor H. D. 



University of Pretoria 



Lever Brothers and Unilever Unilever House, London 

 Limited 



Lindsay, Sir Harry, k.c.i.e.. Director, Imperial Institute 



C.B.E. 



LuGARD, The Rt. Hon. the Lord 



Mair, Dr. Lucy London School of Economics 



Malinowski, Professor B. London School of Economics 



Marchoux, Professor Institut Pasteur, Paris 



Marcq, Professor J. Institut Agronomique de I'fitat a 



Gembloux 



Marshall, Sir Guy, c.m.g., f.r.s. Director, Imperial Institute of En- 

 tomology 



Marston, H. R. 



Matheson, Miss Hilda 

 Maury, Commandant 

 Mellanby, Sir E., f.r.s. 



MiCHELMORE, A. P. G. 



Mill, Dr. H.R. 



Chief of the Division of Animal 

 Nutrition, University of Adelaide 



Secretary, African Research Survey 



Ministere des Colonies, Bruxelles 



Secretary, Medical Research 

 Council 



Locust Investigator, Committee on 

 Locust Control 



c/o Royal Geographical Society 



II, III 



IV-VI, XI- 

 XIV 



XII 



III, V-VII, 

 IX, XI-XIV 



Whole 



XVIII 



XVIII 



XVI 



XIV 



X 



XIV 



Whole 



ii-iy 



XV-XVII 



X 



II-IV 



