Species

The Nineteenth Century, a Period of Change 151

Wilson, Leonard G., ed. 1970. Sir Charles Lyell’s Scientific Journals on the Species Question,
Yale Studies in the History of Science and Medicine. New Haven: Yale University Press.
Winsor, Mary Pickard. 1979. Louis Agassiz and the species question. Studies in History of
Biology 3:89–117.
Wollaston, Thomas Vernon. 1856. On the Variation of Species, with Especial Reference to
the Insecta: Followed by an Inquiry into the Nature of Genera. London: J. Van Voorst.
Wollheim, Richard. 1968. Art and Its Objects, an Introduction to Aesthetics. New York:
Harper & Row.
Woodger, Joseph Henry. 1937. The Axiomatic Method in Biology. Cambridge, UK: Cambridge
University Press.
—. 1952. From biology to mathematics. British Journal for the Philosophy of Science 3
(9):1–21.