The Germ-plasm : a theory of heredity / by August Weismann ; translated by W. Newton Parker and Harriet Ronnfeldt.
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The Germ-plasm : a theory of heredity / by August Weismann ; translated by W. Newton Parker and Harriet Ronnfeldt. Credit: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.. Public Domain Mark