Circular on the Degrees of Relationship
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PrintA circular entitled "The Degrees of Relationship Among Nations" is issued to the diplomatic agents and Consuls of the United States in foreign countries requesting assistance for Lewis Henry Morgan's study of systems of consanguinity existing among the natives of other countries. His previous study of the system of relationship among the Iroquois led to his desire to do comparative studies of consanguinial systems. The circular includes a table of degrees of relationships. The results of this study will be published in volume 17 of Smithsonian Contributions to Knowledge, "Systems of Consanguinity and Affinity of the Human Family," 1871.
Morgan, Lewis Henry 1818-1881
Chronology of Smithsonian History
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
January 20, 1860
North America