APPENDICES 1499 



Eugenics in Race and State. 2 vols. Report Second Internat. Eugenic 

 Congress. 



C. L. Walton and W. Rees Wright, Agricultural Parasitology. 1927. 



F. W. Oliver and others. Life and its Maintenance, 1919. A fine 

 series of Lectures. 



WiLKiNs, Science and the Farmer. Excellent. 



Leaflets 1-200, and other guides published by the Ministry of Agri- 

 culture and Fisheries, Whitehall, London. 



ADDENDA 



W. M. Bayliss, The Nature of Enzyme Action. 5th edition. 1925. 



F. J. Cole, Early Theories of Sexual Generation. Oxford, 1930. 



E. V. CowDRY (Editor), Human Biology and Racial Welfare. London, 



193 1. An important co-operative treatise. 

 Ch. Elton, Animal Ecology and Evolution. Oxford, 1930. 

 R. A. Fisher, The Genetical Theory of Natural Selection. Oxford, 1930. 



D. Fraser Harris, The Functional Inertia of Living Matter. London, 



1908. A suggestive thesis. 



E. S. Goodrich, Studies on the Structure and Development of Verte- 



brates. London, 1930. 

 L. J. Henderson, The Order of Nature. Harvard, 1917. 

 W. MacDougall, Modern Materialism and Emergent Evolution. New 



York, 1929. 

 P. C. Mitchell, Materialism and Vitalism in Biology. Oxford, 1930. 

 T. R. Parsons, The Materials of Life. London, 1930. Introduction to 



Biochemistry. 

 Karl Pearson, The Life, Letters, and Labours of Francis Galton. 



3 vols. 

 On a New Theory of Progressive Evolution. Annals of Eugenics, iv, 



1930. PP- 1-40- 

 R. C. PuNNETT, Mimicry in Butterflies. Cambridge, 1915. 

 W. E. RiTTER, The Unity of the Organism, or the Organismal Conception 



of Life. Boston, 19 19. 



F. S. Russell and E. M. Yonge, The Seas. London, 1928. A fine 



introduction to Ecology, beautifully illustrated. 

 H. Spemann, numerous very important papers, especially in "Archiv 



fiir Entwicklungsmechanik", from 1901 onwards. 

 A. S. Warthing, Old Age. London, 1929; The Creed of a Biologist. 



London, 1930. 

 W. M. Wheeler, Emergent Evolution and the Development of Societies. 



New York, 1928. 

 J. H. Woodger, Biological Principles. London, 1929. 



