LIST OF ILLUSTRATIONS 



PORTRAITS 



CHARLES DARWIN - Frontispiece 



FRANCIS GALTON To face page 73 



HUGO DE VRIES - 113 



JOSEPH GOTTLIEB KOLREUTER - - 148 



GREGOR JOHANN MENDEL - ,, 163 



DIAGRAMS 



Fig. i - 



Fig. 2 - 



Fig- 3 - 



Fig. 4 - 



Fig. 5 - 



Figs. 6 and 7 



Fig. 8 - 



Fig. 9 - 



Fig. 10 - 



Fig. ii - 



Fig. 12. Mutation in 



(Enothera - To face 

 Fig. 13. Trifolium Pra- 



tense Quinquefolium 

 To face 



