Ce livre est un essai sur les croisements ethniques, bas sur quatre m moires pr sent s l'Acad mie des sciences morales et politiques dans les ann es 1850. L'auteur explore les cons quences biologiques, sociales et culturelles des mariages entre populations de races diff rentes. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the...