1897. Galton, Francis (1822-1911). The average contribution of each several ancestor to the total heritage of the offspring. In Proc. Roy. Soc. 61 (1897): 401-413pp. Whole number, 8vo. 216 x 139 mm. Orig. printed wrappers, spine repaired. Boxed. Fine copy. First Edition. Garrison-Morton 239. Galton's "Law of Ancestral Heredity," which..... More