Autores:
  • La raza americana se caracteriza por una tez morena; pelo largo, negro y lacio; y barba deficiente.

    Samuel George Morton, George Combe (1839). “Crania Americana; Or, A Comparative View of the Skulls of Various Aboriginal Nations of North and South America: To which is Prefixed an Essay on the Varieties of the Human Species”, p.6, Philadelphia : J. Dobson ; London : Simpkin, Marshall