CONTENTS 



PAGE 



I. Fifty Years op Darwinism (Baltimore, Jan. 1, 



1909) 1 



II. The Personality op Charles Darwin (Balti- 

 more, Jan. 1, 1909) 57 



III. The Darwin Centenary at Oxford (Feb. 12, 



1909) 78 



IV. Charles Darwin and the University of Cam- 



BRiDQE (Cambridge, June 23, 1909) . . 84 



V. The Value op Colour in the Struggle for Life 92 



VI. Mimicry in the Butterflies op North America 



(Baltimore, Dec. 31, 1908) . . . .144 



VII. Letters from Charles Darwin to Koland 



Trimen (1863-71) 213 



APPENDIX A. Charles Darwin and the Hypo- 

 thesis OF Multiple Origins . . . 247 



APPENDIX B. Darwin and Evolution by Mu- 

 tation 264 



APPENDIX 0. Further Proof that Scientific 



Work was necessary for Darwin . .256 



APPENDIX D. De Vries's ' Fluctuations ' here- 

 ditary according to de Vries, non-trans- 

 missible according to Bateson and 



PUNNETT ....... 258 



INDEX .281 



