CONTENTS 



PAGE 



I. Introductory Letter to the Editor from SIR 



JOSEPH DALTON HOOKER, O.M. . . . 1 



II. Darwin's Predecessors : 



J. ARTHUR THOMSON, Professor of Natural History 



in the University of Aberdeen .... 3 



III. The Selection Theory: 



AUGUST WEISMANN, Professor of Zoology in the 



University of Freiburg (Baden) . . . 18 



IV. Variation : 



HUGO DE VRIES, Professor of Botany in the Uni- 

 versity of Amsterdam 66 



V. Heredity and Variation in Modern Lights: 



W. BATESON, Professor of Biology in the University 



of Cambridge 85 



VI. The Minute Structure of Cells in Relation to 



Heredity : 



EDUARD STRASBURGER, Professor of Botany in the 



University of Bonn 102 



VII. " The Descent of Man " : 



G. SCHWALBE, Professor of Anatomy in the Uni- 

 versity of Strassburg 112 



VIII. Charles Darwin as an Anthropologist: 



ERNST HAECKEL, Professor of Zoology in the 



University of Jena . . . . . .137 



IX. Some Primitive Theories of the Origin of Man : 



J. G. FRAZER, Fellow of Trinity College, Cambridge 152 



