It is this last method, more slow but more sure than the other, that we shall follow; and we will commence by the study of matter.
FOOTNOTES: [Footnote 1: _L'Ame et la Corps._--Disagreeable as it is to alter an author's title, the words "Soul and Body" had to be abandoned because of their different connotation in English.

The title "Mind and Body" was also preoccupied by Bain's work of that name in this series.

The title chosen has M.Binet's approval .-- ED.] [Footnote 2: _Etude experimentale de l'Intelligence._ Paris: Schleicher.].