Note 98 — Chapter XII · HOW THE RACES WERE PHYSIOLOGICALLY SEPARATED, AND THE DIFFERENT VARIETIES FORMED BY THEIR INTER-MIXTURE. THEY ARE UNEQUAL IN STRENGTH AND BEAUTY
Adrian Collins translation
See (among other authorities), for the American aborigine, Martius and Spix, Reise in Brasilien, vol. i, p. 259; for the negroes, Pruner, Der Neger, eine aphoristische Skizze aus der medizinischen Topographie von Cairo, in the Zeitschrift der Deutschen morgenländischen Gesellschaft, vol. i, p. 131; for the muscular superiority of the white race over all the others, Carus, op. cit., p. 84.