Note 1 — Chapter I
Reading edition
See Woods, Frederick Adams, "Laws of Diminishing Environmental Influences," Popular Science Monthly, April, 1910, pp. 313-336; Huxley, J. S., The Individual in the Animal Kingdom, Cambridge and New York, 1912. Pike, F. H., and Scott, E. L., "The Significance of Certain Internal Conditions of the Organism in Organic Evolution," American Naturalist, Vol. XLIX, pp. 321-359, June, 1915.