Darwin, C. 1859. On the Origin of Species by Means of Natural Selection or the Preservation of Favored Races in the Struggle for Life. London: John Murray [1964, Facsimile of the First Edition; Cambridge, MA: Harvard University Press]

Darwin, F. (ed.). 1887. The Life and Letters of Charles Darwin, Including an Autobiographical Chapter, 2 vols. New York: Appleton

Darwin, C. In Charles Darwin's Natural Selection, R. C. Stauffer (ed.). 1975. Cambridge: Cambridge University Press

Eldredge, N., and S. J. Gould. 1972. Punctuated equilibria: an alternative to phyletic gradualism. In Models in Paleobiology, T. J. M. Schopf (ed.). San Francisco: Freeman, pp. 82–115

Gould, S. J., and Lewontin, R. C.. 1979. The spandrels of San Marco and the Panglossian paradigm: a critique of the adaptationist programme. Proceedings of the Royal Society of London, Series B, 205:581–589CrossRefGoogle Scholar

Herschel, J. F. W. 1861. Physical Geography of the Globe. London: Longmans, Green

Hull, D. L. 1973. Darwin and his Critics. The Reception of Darwin's Theory of Evolution by the Scientific Community. Cambridge, MA: Harvard University Press

Huxley, A. 1981. Anniversary address of the president. Supplement to Royal Society News, no. 12, pp. ⅰ–ⅶ

Jacob, F. 1977. Evolution and tinkering. Science, 196:1161–1166CrossRefGoogle ScholarPubMed

Kottler, M. J. 1978. Charles Darwin's biological species concept and theory of geographic speciation: the transmutation notebooks. American Scientist, 35:275–297Google Scholar

Kotter, M. J. 1985. Charles Darwin and Alfred Russel Wallace. Two decades of debate over natural selection. In The Darwinian Heritage, D. Kohn (ed.). Princeton: Princeton University Press, pp. 367–432

Lamarck, J.-B. 1809. Philosophie zoologique, pour esposition des conserérations relatives de l'histoire naturelle des animaux, 2 vols. Paris: Savy. [English translation by H. Elliot, The Zoological Philosophy, 1914, London: Macmillan.]

Margulis, L., and D. Sagan. 2002. Acquiring Genomes: A Theory of the Origins of Species. New York: Basic Books

Mayr, E. 1954. Change of genetic environment and evolution. In Evolution as a Process, J. Huxley, A. C. Hardy, and E. B. Ford (eds.). London: Allen & Unwin, pp. 157–180

Mayr, E. 1982a. Adaptation and selection. Biologisches Zentralblatt, 101:161–174Google Scholar

Mayr, E. 1982b. The Growth of Biological Thought. Cambridge, MA: Harvard University Press

Mayr, E. 1982c. Speciation and macroevolution. Evolution, 36:1119–1132CrossRefGoogle Scholar

Mayr, E. 1985. Darwin's five theories of evolution. In The Darwinian Heritage, D. Kohn (ed.). Princeton: Princeton University Press, pp. 755–772

Mayr, E. 1992. Darwin's principle of divergence. Journal of the History of Biology, 25:343–359CrossRefGoogle Scholar

Monod, J. 1970. Le Hasard et la Necessité. Paris: Seuil

Ospovat, D. 1981. The Development of Darwin's Theory: Natural History, Natural Theology, and Natural Selection, 1838–1859. Cambridge: Cambridge University Press

Poulton, E. B. 1896. Charles Darwin and the Theory of Natural Selection. London: Cassell

Sulloway, F. J. 1979. Geographic isolation in Darwin's thinking: the vicissitudes of a crucial idea. Studies in the History of Biology, 3:23–65Google ScholarPubMed

Wright, S. 1967. Comments. In Mathematical Challenges to the Neo-Darwinian Interpretation of Evolution, P. S. Moorhead and M. M. Kaplan (eds.). Philadelphia: Wistar Institute Press, pp. 117–120