John Ferguson McLennan, 'Scottish theorist on the origins of human marriage'. McLennan coined the term exogamy.
[see Gardner & McConvell, Southern Anthropology, pp. 3-4, 68.
The graph displays the other subjects mentioned on the same pages as the subject “McLennan”. If the same subject occurs on a page with “McLennan” more than once, it appears closer to “McLennan” on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.