I have allowed a too flattering reference to myself to stand, in accordance with a particular injunction of Mr. Romanes given shortly before that sad day on which he died, leaving many to mourn the loss of a personal friend most bright, lovable, and generous-hearted, and thousands to regret that the hand which had written so much for them would write for them no more.

C. Ll. M.

University College, Bristol,

April, 1894.


CONTENTS

CHAPTER I.

Introductory: The Darwinism of Darwin and of the Post-Darwinian Schools[1]

CHAPTER II.