Subgenation: The Theory Of The Normal Relation Of The Races, An Answer To Miscegenation is a book written by John H. Van Evrie in 1864. The book is a response to the idea of miscegenation, which was gaining popularity at the time. Miscegenation is the mixing of different racial groups through marriage, cohabitation, or sexual relations. Van Evrie argues that miscegenation is unnatural and harmful to society. He proposes the theory of subgenation,...