"Then comes the statelier Eden back to men;
Then ring the world's great bridals, chaste and calm;
Then springs the crowning race of human-kind.
May these things be."


BIBLIOGRAPHY

N.B.—This bibliography is intended as a guide to the student; it is merely representative, not in any way exhaustive.

The books to which direct reference is made are marked with an asterisk.

BIOLOGICAL PART

*Audubon: Scènes de la nature dans les États Unis (French trans.).
Ornithological Biography: an Account of the Habits of the Birds of the United States of America.
Bateson, W.: Materials for the Study of Variation.
Mendel's Principles of Heredity.
*Bonhote, J. Lewis: Birds of Britain.
Brehm: Tierleben.
Ornithology, or the Science of Birds. (From the text of Brehm.)
Brooks, W.K.: The Law of Heredity.
The Foundations of Zoology.
*Büchner: Mind in Animals (Eng. trans.).
Liebe und Liebesleben in der Tierwelt.
*Butler, Samuel: Life and Habit.
Evolution Old and New.
*Darwin, Charles: The Descent of Man.
The Origin of Species.
The Variation of Animals and Plants under Domestication.
The Expression of the Emotions in Men and Animals.
*Darwin, Francis: Life and Letters of Charles Darwin.
*Ellis, Havelock: Psychology of Sex. Vol. III.
*Espinas: Sociétés animales.
Fabre, J. Henri: Mœurs des insectes.
Life and Love of Insects (trans.).
Insect Life (trans.).
Social Life in the Insect World (trans.).
*Forbes, H.O.: A Naturalist's Wanderings.
*Galton, Francis: Natural Inheritance.
Average Contribution of Each Several Ancestor to the Total Heritage of the Offspring. Pro. Roy. Soc., London, LXI.
*Geddes, Patrick: Articles: "Reproduction," "Sex," "Variation" and "Selection": Encycl. Brit.
*Geddes and Tompson, A.J.: The Evolution of Sex. (Cont. Sci. Series.) Rev. ed.
Problems of Sex.
*Häcker: Der Gesang der Vögel.
*Haeckel: Generelle Morphologie der Organismen.
Evolution of Man (trans. by J. McCabe).
Hertwig: The Biological Problem of To-day (trans. by P. Chalmers Mitchell).
Houzeau: Études sur les facultés mentales des animaux comparés à celles de l'homme.
*Hudson, W.H.: Argentine Ornithology.
The Naturalist in La Plata.
Birds and Man.
*Huxley, T.H.: A Manual of Invertebrate Animals.
Kellogg: Studies of Variation in Insects.
Evidence as to Man's Place in Nature.
Letourneau: Evolution of Marriage. (Cont. Sci. Series.)
*Milne-Edwards, Herni: Leçons sur la physiologie et l'anatomie comparée de l'homme et des animaux.
A Manual of Zoology (trans.).
Histoire naturelle des insectes.
Mivart, St. George: Lessons from Nature as manifested in Mind and Matter.
The Common Frog. (Nat. Series.)
Man and Apes: an Exposition of Structural Resemblance upon the Questions of Affinity and Origin.
On the Genesis of Species.
*Morgan, C. Lloyd: Animal Life and Intelligence.
Habit and Instinct.
Animal Behaviour.
Poulton, E.B.: The Colours of Animals.

Punnett, R.C.: On Nutrition and Sex-determination in Man. (Proc. Cambridge Phil. Soc., XII.)
Ribot, Th.: Heredity (Eng. trans.).
Romanes, G.J.: Darwin and after Darwin.
Animal Intelligence. (Int. Sci. Series.)
Mental Evolution in Animals.
*Thomson, J.A.: Synthetic Summary of the Influence of the Environment upon the Organism. (Proc. Roy. Phys. Soc., Edinburgh, IX.)
Heredity. (Pro. Sci. Series.)
The Science of Life.
Varigny, de: Experimental Evolution. (Nat. Series.)
Vernon, H.M.: Variation in Animals and Plants. (Int. Sci. Series.)
Vreis, Hugo de: Species and Varieties (trans.).
*Wallace, A.R.: Darwinism.
*Ward, Lester: Pure Sociology.
*Weissmann: Essays upon Heredity (trans.).
The Germ-plasma Theory of Heredity (trans.).
The Effect of External Influences on Development. Romanes Lecture, Oxford.
The Evolution Theory (trans. by A.J. Tompson).
Wilson, E.B.: The Cell in Development and Inheritance.

HISTORICAL PART