REPRESENTATIVE BOOKS ON DARWINISM 243 



Dabtost, Chaklbs: "Origin of Species." "Climbing Plants." 



" Power of Movement in Plants." 

 EsPiNAS, A. r " Des Sooi6t6s Animales." Paris, 1877. 

 GiEOD, P. : " Les Societes chez les Animaux." Paris, 1890. 

 Groos, R. ; " The Play of Animals." London, 1900. 

 Headley, F. W. : " life and Evolution." 



" Problems of Evolution." Duckworth : London, 1900. 



Huxley, T. H. : " The Struggle for Existence." CoUected Essays. 

 Kkopotkin, p. : " Mutual Aid a Factor of Evolution." Heine- 



mann: London, 1902. 

 Wallace, A. R. : " Darwiilism." London, 1889. 



CHAPTER IV 

 VARIATIONS, MUTATIONS, ETC. 



Bailey, L. H. : " Plant-breeding." 3rd Edition. New York, 



1904. 

 "Bateson, W. : "Materials for the Study of Variation." Mac- 



millan: London, 1894. 

 Beegson, H. : " L'Evolution Cr^atrice." Paris, 1907. 

 Cope, E. D. : " The Primary Factors of Organic Evolution." 



Chicago, 1896. 

 DARwnf, Charles : " Variation of Animals and Plants under 



Domestication." Murray: London, 1868. 

 EiMER, G. H. Th. : " Organic Evolution." Trans., London, 1890. 

 Gbddbs, p., and Thomson, J. Arthttb : " The Evolution of Sex." 



"Cohtemp. Soi. Ser." Scott: London, 1889. 

 Lock, R. H. : " Recent Progress in the Study of Variation, Heredity, 



and Evolution." Murray : London, 1908. 

 Morgan, T. H. ; " Experimental Zoology." Miacmillan Co. : 



New York, 1907. 

 NXGEll, C. VON : " Mechanisoh-physiologische Theorie der Abstam- 



mungslehre." Miinohen, 1884. 

 Semper, K. : " The Natural Conditions of Existeeoe as they 



affect Animal Life." Kegan Paul : London, 1881. 

 Vaeigny, H. de : "Experimental Evolution." Macmillan: 



London, 1892. 

 Vernon, H. M. ; " Variation in Animals and Plants." " Intemat. 



Sci. Ser." Kegan Paul: London, 1903. 

 Vries, H. de : "Die Mutations-theorie." 2 vols. Veit: Leipzig, 



1901, 1903. 



" Species and Varieties, their Origin by Mutation." Chicago' 



1906. 

 Zieqler, H. E. : " Ueber den derzeitigen Stand der Descendenzlehre 

 in der Zoologie." Fischer : Jena, 1902. 



16* 



