In his two volumes on Intuitive Thought Professor Edouard Le Roy continues his idealistic interpretation of spiritual creativity, and turns from its ‘products’ manifested in biological and human evolution to consider its most intimate character, as it is ‘lived through’ or directly experienced in intuitive and inventive thinking. The whole plan and its execution are determined by two characteristic themes of Bergsonism—intuition and the dynamical schema—though these are repensès in a quite original way. “Intuitive thought” and “metaphysical thought,” M. Le Roy affirms in the preface, are “one and the same”; the latter is condemned only by those who misconceive the former. So by correcting misunderstandings he seeks to