“…The serum type distribution of this group of Eskimos shows values for the gene frequencies deviating from those of the Polar Eskimos in Thule (Persson, in press). Previous examinations of the serum types in the population in Greenland have particularly been concentrated on the "mixed" Eskimos of the west coast (Persson, 1962(Persson, a, 1962(Persson, b and 1963. The importance of external factors when determining the serum types has especially been illuminated through the Gc system.…”