APPENDIX 453 



POST-DARWINIAN CONTRIBUTIONS continued: 



P. GEDDES, Articles on Reproduction and Sex, Variation and 



Selection, Encyclop. Brit. 

 *P. GEDDES and J. ARTHUR THOMSON, " Evolution " (Home 



University Library). 



J. T. GULICK, " Evolution, Racial and Habitudinal " (Wash- 

 ington, 1905). 



M. HARTOG, "Problems of Life and Reproduction' (1913). 

 V. L. KELLOGG, " Darwinism To-day " (New York, 1907). 

 P. KROPOTKIN, " Mutual Aid a Factor of Evolution " (1902). 

 LANESSAN, " La Lutte pour 1'existence et 1'association pour la 



lutte" (Paris, 1882). 

 E. RAY LANKESTER, " Degeneration: a Chapter in Darwinism ' 



(Nature Series, 1880). 

 R. H. LOCK, " Recent Progress in the Study of Variation, 



Heredity, and Evolution" (1908). 2nd ed. 1916. 

 J. P. LOTSY, " Vorlesungen liber Descendenztheorien " (2 vols. 



Jena, 1907 and 1909). 

 ST. GEORGE MIVART, " The Genesis of Species " (London, 1871). 



-"Lessons from Nature' (London, 1876). 

 C. LLOYD MORGAN, " Animal Life and Intelligence " (London, 

 1890; re-edited under title "Animal Behaviour," 1900). 

 T. H. MORGAN, "Experimental Zoology" (1906). 



- "Evolution and Adaptation" (1903). 

 C. VON NAGELI, " Mechanisch-physiologische Abstammungs- 



lehre" (Miinchen, 1884). 

 A. S. PACKARD, " Introduction to Standard or Riverside Natural 



History" (New York and London, 1885). 

 E. B. POULTON, " Essays on Evolution, 1889-1907 " (1908). 

 G. J. ROMANES, "Darwin and after Darwin" (3 vols.) 

 W. Roux, "Der Kampf der Teile im Organismus " (Leipzig, 



1881). 



KARL SEMPER, " The Natural Conditions of Existence as they 



affect Animal Life" (Internat. Sci. Series, London, 1881). 



R. SEMON, " Die Miieme als erhaltencles Princip im Wechsel des 



organischen Geschehens >: (3rd ed. Jena, 1911). 

 A. C. SEWARD (Editor), " Darwin and Modern Science" (Cam- 

 bridge, 1909). A series of valuable essays. 

 J. BLAND SUTTON, " An Introduction to General Pathology " 

 (London, 1886). 



- " Evolution and Disease " (Contemporary Sci. Series, 

 London, 1890). 

 *J. ARTHUR THOMSON, " Darwinism and Human Life " (1910 ; 



revised ed. 1916). 



H. DE VARIGNY, " Experimental Evolution " (London, 1892). 

 AUGUST WEISMANN, " Evolution Theory ' (trans. 2 vols. 



London, 1904). 

 ARTHUR WILLEY, " Convergence in Evolution " (1911). 



