of Botany in the University of Heidelberg.

XIV. EXPERIMENTAL STUDY OF THE INFLUENCE OF ENVIRONMENT ON ANIMALS:
JACQUES LOEB, Professor of Physiology in the University of California.

XV. THE VALUE OF COLOUR IN THE STRUGGLE FOR LIFE: E.B. POULTON, Hope
Professor of Zoology in the University of Oxford.

XVI. GEOGRAPHICAL DISTRIBUTION OF PLANTS: SIR WILLIAM THISELTON-DYER.

XVII. GEOGRAPHICAL DISTRIBUTION OF ANIMALS: HANS GADOW, Strickland
Curator and Lecturer on Zoology in the University of Cambridge.

XVIII. DARWIN AND GEOLOGY: J.W. JUDD.

XIX. DARWIN'S WORK ON THE MOVEMENTS OF PLANTS: FRANCIS DARWIN.

XX. THE BIOLOGY OF FLOWERS: K. GOEBEL, Professor of Botany in the
University of Munich.

XXI. MENTAL FACTORS IN EVOLUTION: C. LLOYD MORGAN, Professor of
Psychology at University College, Bristol.

XXII. THE INFLUENCE OF THE CONCEPTION OF EVOLUTION ON MODERN PHILOSOPHY:
H. HOFFDING, Professor of Philosophy in the University of Copenhagen.

XXIII. DARWINISM AND SOCIOLOGY: C. BOUGLE, Professor of Social
Philosophy in the University of Toulouse, and Deputy-Professor at the
Sorbonne, Paris.

XXIV. THE INFLUENCE OF DARWIN UPON RELIGIOUS THOUGHT: REV. P.N.
WAGGETT.

XXV. THE INFLUENCE OF DARWINISM ON THE STUDY OF RELIGIONS: JANE ELLEN
HARRISON, Staff-Lecturer and sometime Fellow of Newnham College,
Cambridge.

XXVI. EVOLUTION AND THE SCIENCE OF LANGUAGE: P. GILES, Reader in
Comparative Philology in the University of Cambridge.

XXVII. DARWINISM AND HISTORY: J.B. BURY, Regius Professor of Modern
History in the University of Cambridge.

XXVIII. THE GENESIS OF DOUBLE STARS: SIR GEORGE DARWIN, Plumian
Professor of Astronomy and Experimental Philosophy in the University of
Cambridge.

XXIX. THE EVOLUTION OF MATTER: W.C.D. WHETHAM, Fellow of Trinity
College, Cambridge.

INDEX.

DATES OF THE PUBLICATION Of CHARLES DARWIN'S BOOKS AND OF THE PRINCIPAL
EVENTS IN HIS LIFE

1809:

Charles Darwin born at Shrewsbury, February 12.

1817:

"At 8 1/2 years old I went to Mr Case's school." (A day-school at
Shrewsbury kept by the Rev G. Case, Minister of the Unitarian Chapel.)

1818:

"I was at school at Shrewsbury under a great scholar, Dr Butler; I
learnt absolutely nothing, except by amusing myself by reading and
experimenting in Chemistry."

1825:

"As I was doing no good at school, my father wisely took me away at
a rather earlier age than usual, and sent me (Oct. 1825) to Edinburgh
Un