Dobzhansky, Theodosius. Genetics and the Origin of Species. New York: Columbia University Press, 1937. Number 11 in the Columbia Biological Series. First edition. Orig. cloth, gilt-lettered spine. Illustrated. 8vo. Minor spot of soiling to front cover, ownership sig. front pastedown; near fine. A landmark volume in evolutionary thought that helped give way to the concept of a “modern synthesis” between the forces of genetic mutation and natural selection in the process of evolution.