CHAPTER I. _Evolution before Darwin._

1. -- -- -- --

2. Biology and Its Makers, Locy.

3. From the Greeks to Darwin, Osborn. Chapters 1, 2, 3, 19.

4. Encyclopedia Britannica, 11th edition, article, _Evolution_,
section, _History_.

CHAPTER II. _Darwin and Wallace._

1. The Coming of Evolution, Judd.

2. Charles Darwin, Poulton.

3. Life and Letters of Charles Darwin, by his son, Francis Darwin. 2
vols.

My Life, A. R. Wallace. 2 vols.

4. Encyclopedia Britannica, articles _Darwin_, _Wallace_.

CHAPTER III. _The Underlying Idea._

1. Evolution, Geddes and Thompson.

2. The Origin of Species, Charles Darwin.

3. The Evolution Theory, Weissmann. 2 vols.

4. Encyclopedia Britannica, articles _Variation_ and _Selection_.

CHAPTER IV. _Adaptation for the Individual._

1. Colin Clout's Calendar, Grant Allen.

2. Evolution and Animal Life, Jordan and Kellogg. Chapters 16, 19.

3. Darwinism, Wallace.

4. Encyclopedia Britannica, articles _Adaptation_, _Colours of
Animals_, _Hibernation_.

CHAPTER V. _Adaptation for the Species._

1. Colin Clout's Calendar, Grant Allen.

2. Evolution and Animal Life, Jordan and Kellogg.

3. Darwinism, Wallace.

4. Encyclopedia Britannica, articles, _Metamorphosis_, _Song of
Birds_.

CHAPTER VI. _Life in the Past._

1. The Story of Our Continent, Shaler.

2. Elements of Geology, Blackwelder and Barrows.

3. The Story of Evolution, McCabe.

4. Encyclopedia Britannica, article, _Geology_ (palaeontological and
physiographical).

CHAPTER VII. _How the Mammals Developed._

1. -- -- -- --

2. Plant and Animal Children, Torelle.

3. -- -- -- --

4. Encyclopedia Britannica, article, _Mammalia_.

CHAPTER VIII. _The Story of the Horse._

1. The Evolution of the Horse in America, Osborn, in _The Century_,
November, 1904.

The Evolution of the Horse, Matthew.

2. The Horse, Flower.

3. Encyclopedia Britannica, article, _Horse_.

CHAPTER IX. _Evolution Since Darwin._

1. The Evolution of Living Organisms, Goodrich.

2. Biology and Its Makers, Locy. Chapters 14, 18.

3. Darwinism To-day, Kellogg.

4. Encyclopedia Britannica, articles, _Romanes_, _Weissmann_,
_Mendel_.

CHAPTER X. _The Future Evolution of Man._

1. The Problem of Race Regeneration, Ellis.

2. Inquiries into Human Faculty, Galton.

3. Heredity, Thompson.

4. Encyclopedia Britannica, articles, _Eugenics_, _Galton_.

CHAPTER XI. _Science and the Book