For Chapter II
Reading edition
Darwin and Modern Science. Edited by A. C. Seward, 1909. Anniversary Volume by Various Authors.
Fifty Years of Darwinism, 1909. Anniversary Volume by Various Authors.
Weismann, A. The Evolution Theory, 2 vols., 1904.
Wallace, A. R. The World of Life, 1911. Man's Place in the Universe, 3d ed., 1905.
Morgan, T. H. Evolution and Adaptation, 1908.
Henderson, L. J. The Fitness of the Environment, 1913.
Thomson, J. A. The Bible of Nature, 1908.
Merx, J. T. History of European Thought in the Nineteenth Century. Vol. II, 1903.
Herbert, S. First Principles of Evolution, 1913.