Yening kaambil antuk conto, sehubungan antuk warnan kulit ring Eropa lan Afrika, Brace nyuratan : Kanti rahinane mangkin, warnan kulit kanilai antuk cara sane nenten nampak saking benua Eropa ngelodang ring sekitar ujung timur Mediterania ngantos tukad Nil sane magenah ring benua Afrika.
For example, with respect to skin color in Europe and Africa, Brace writes:To this day, skin color grades by imperceptible means from Europe southward around the eastern end of the Mediterranean and up the Nile into Africa.