Note 36 — Chapter I · THE LOWER FORMS OF ABSTRACTION.
Frances A. (Frances Alice) Welby translation
Sign-Language Among the North American Indians, 1881. Published in Report of the Bureau of Ethnology at Washington. Cf. also: Tylor, op. cit.; Romanes, op. cit., VI.; Lubbock, Origin of Civilisation, Chapter VI.; Kleinpaul, Zeitschrift für Völkerpsych., VI., 353.