Vlll CONTENTS. 



CHAPTER PAGE 



XIII. — Canon Tristram the First Publicly to Accept 



THE Theory of Natural Selection (1859) . 92 



XIV. — The Preparation of the " Origin of Species " 



(1858-59) 95 



XV.— The Origin of Species (1859) 100 



XVI. — The Influence of Dartvin upon Lyell (1859-64). 105 



XVII. — Influence of Darwin upon Hooker and Asa Gray 

 — Natural Selection and Design in Nature 

 (1860-68) Ill 



XVIII. — Influence of Darwin upon Huxley . . .119 



XIX.— The Difficulty with which the "Origin" was 



UXDERSTOOD 144 



XX. — The Difficulty with which the " Origin " was 

 "^^^ Understood {continued) — Views on Spontaneous 



Generation 153 



XXI. — Variation of Animals and Plants under Domes- 

 tication : Pangenesis (1868) . . . . 161 



XXII. — Pangenesis and Continuity of the Germ-Plasm : 



Darw^in's Confidence in Pangenesis . . .178 



/ XXIII. — Descent of Man — Expression op Emotions — 



Earth-worms (1871-81) 186 



XXIV.— Botanical Works (1862-86) 193 



XXV. — Letters from Darwin to Professor Meldola 



(1871-82) 199 



XXVI.— His Last Illness (1882) . , ... . .219 



INDEX .221 



