BIBLIOGRAPHY 251 



**DAVENPORT, C. B. "Inheritance in Poultry." 1906. [A 

 fine series of experiments in breeding.] 



**DELAGE, YVES. "L'Heredite et les grands problemes de la 

 biologie generale." 1895; 2nd Edition, 1902. [A great 

 book, discussing with scholarship and impartiality the 

 chief problems of biology; Lamarckian on the whole 

 and against Weismann; with a detailed bibliography.] 

 See also an excellent short book by Delage and Goldsmidt, 

 "Les Theories de L'Evolution." 1809. 



DEPERET, C. The Transformations of the Animal World." 



1909. [A useful concrete study of the actual history of 

 the past.] 



*DONCASTER, L. "Heredity in the light of recent Research." 



1910. [A pithy and clear introduction.] 



DRIESCH, HANS. "Science and Philosophy of the Organism." 

 Gifford Lectures in the University of Aberdeen. 2 vols., 



1908. [A deep and original vindication of vitalism, diffi- 

 cult for most readers; a fine gymnasium for intellectual 

 athletes.] 



EIMER, G. H. TH. "Organic Evolution." 1890. [Lamarckian 

 and Goethian, with a theory of orthogenesis, or progres- 

 sive variation along a definite line.] 



**EWART, J. COSSAR. " Penycuik Experiments." 1899. [An 

 account of important breeding experiments bearing on 

 hybridization, reversion, variation, etc.] 



"Fifty Years of Darwinism: Modern Aspects of Evolution." 

 Centennial addresses in honour of Charles Darwin before 

 the American Association for the Advancement of Science, 



1909. [An exceedingly interesting and valuable series of 

 lectures on Darwinism, by numerous authorities.] 



***GALTON, FRANCIS. "Natural Inheritance." 1889. [A 

 classic book, applying statistical methods to the study 

 of inheritance, and expounding important generalizations, 

 such as Filial Regression.] 



GEDDES, PATRICK. "Variation and Selection" in "Encyclo- 

 pedia Britannica," 9th Edition. "Darwinian Theory," 

 "Evolution," in " Chambers's Encyclopaedia." "Chapters 

 in Modern Botany." 1893. 



GEDDES, P., and THOMSON, J. ARTHUR. "The Evolution of 

 Sex." 1889. Revised Edition^ 1901. [A discussion 

 of sexual selection, the reproductive factor in evolution, 

 the physiological interpretation of sex, and so forth. 

 The general thesis is that maleness and femaleness are 

 expressions of alternatives in the regulated rhythm of 

 metabolism.] 



GROOS, K "The Play of Animals." Translation, 1900. [A 

 very suggestive book, a proof of the biological importance 



