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 /
Morton, Samuel George,1799-1851.
Bachman, John,1790-1874.
Charleston, S.C. : Steam-Power Press of Walker & James, no. 101 East-Bay,
1850.
Includes bibliographical references.
Hybridization.