[Article] The future of America Adjust Share A biological forecast By Harper’s Staff, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Birth control Eugenics Heredity Immigrants Malthusianism Miscegenation Natural selection Nature and nurture Race Social Darwinism United States More from Harper’s Staff Harper’s index Letters No one looks the same Adjust Share Close < Previous Issue | View All Issues | Next Issue > April 1928 < Previous Issue | View All Issues | Next Issue > Table of Contents Close