[Footnote 105: Especially have we left almost entirely on one side those admirable but somewhat fugitive intuitions that Plotinus was later to seize, to study and to fix.]

[Footnote 106: See page 10.]

[Footnote 107: Descartes, _Principes_, ii. -- 29.]

[Footnote 108: Descartes, _Principes_, ii. ---- 36 ff.]

[Footnote 109: In a course of lectures on Plotinus, given at the College de France in 1897-1898, we tried to bring out these resemblances. They are numerous and impressive. The a.n.a.logy is continued even in the formulae employed on each side.]

[Footnote 110: "Le Paralogisme psycho-physiologique" (_Revue de metaphysique et de morale_, Nov. 1904, pp. 895-908). Cf. _Matiere et memoire_, Paris, 1896, chap. i.]