Letter to the Rev. John Bachman, D.D., on the question of hybridity in animals : considered in reference to the unity of the human species / by Samuel George Morton.

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Letter to the Rev. John Bachman, D.D., on the question of hybridity in animals : considered in reference to the unity of the human species / by Samuel George Morton. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)