The method of evolution. New York & London: Knickerbocker Press, 1900.
8vo. ix, [i], 408,  pp. Original green cloth. Signature of B. Stanford dated Oct. 1901. $25.00
First edition. Conn explains the mechanisms of natural selection and evolution according to Darwin, discusses Weismannism and Lamarckism, and includes new investigations in variation, heredity and studies on protoplasm. Conn, an American biologist, was a specialist in bacteriology of dairy products as well as the first one to prove that typhoid fever may be carried by oysters.