PREFACE 
I HAVE entitled this volume “ Darwiniana” 
because the pieces republished in it either treat of 
the ancient doctrine of Evolution, rehabilitated and 
placed upon a sound scientific foundation, since 
and in consequence of, the publication of the 
“Origin of Species ;” or they attempt to meet the 
more weighty of the unsparing criticisms with 
which that great work was visited for several years 
after its appearance ; or they record the impression 
left by the personality of Mr. Darwin on one who 
had the privilege and the happiness of enjoying his 
friendship for some thirty years; or they endeavour 
to sum up his work and indicate its enduring 
influence on the course of scientific thought. 
Those who take the trouble to read the first 
two essays, published in 1859 and 1860, will, I 
think, do me the justice to admit that my zeal to 
secure fair play for Mr. Darwin, did not drive me 
into the position of a mere advocate; and that, 
while doing justice to the greatness of the argu- 
