“…The faster moving variants (B) have not been observed in negroes (with the-ex ception of one case) (Giblelt, Hickman and Smithies, 1939), but all three have been found in European samples. The transferrin bands (D) which migrate less rapidly than transferrin C have not been re ported in whites, except in Swedish Lapps (Beckman and Holmgren, 1961) hut in nearly 50 per cent of some groups of Australian abori gines (Kirk and Lai, 1961). The results, however, m ust be looked upon with some reservation as the results in m any cases are based on a very limited m aterial.…”