^{page viii note 1} The term ‘sense-impression’ - or ‘impression’, for short - has its origin in the assimilation of the passivity of the mind in perception to that of wax in receiving an impression from a seal. See Descartes, , Rules for the Direction of the Mind, Rule 12.Google Scholar

^{page viii note 2} I say ‘at best’ because of the problem, with sense-impressions, of satisfying the conditions for the use of a proper name, e.g. that the thing named should be re-identifiable.

^{page x note 1} Essay, bk II, ch. 9, section 8.

^{page x note 2} Ibid., section 9.

^{page x note 3} Essay, bk II, ch. 1, section 4.

^{page xii note 1} In Wann, T. W. (ed.), Behaviourism and Phenomenology (Chicago, 1964).Google Scholar

^{page xiii note 1} Ibid, pp. 153–4.

^{page xvii note 1} Mind, LXIII (1954) pp. 226–33.Google Scholar

^{page xvii note 2} Locke, Essay, Bk I, ch. 1, Section 2.

^{page xvii note 3} Ibid, Bk II, ch. 30, Section 1–2.