Consanguineous Marriages in the American Population

Chapter 4

Chapter 427 wordsPublic domain

CONSANGUINITY AND REPRODUCTION

Theories of the Effect of Consanguinity upon Offspring--Comparative Fertility--Statistics from Darwin and Bemiss--Genealogical Statistics--Youthful Death-rate--Degeneracy--Fallacies in the Work of Bemiss--Isolated Communities--_The Jukes_--Other Degenerate Families--Scrofula