Note 8 — THE PROBLEMS OF PSYCHICAL RESEARCH
Reading edition
Vitality, Fasting and Nutrition, p. 41. For discussions of this question from a variety of different points of view, see Life and Matter, by Lodge; The Riddle of the Universe, Haeckel; The Correlation of Spiritual Forces, by Hartmann; "Consciousness and Force," Met. Mag., Oct. 1910; the article on "Consciousness and Energy," by Professor Montague, in Essays in Honour of William James, and pp. 283-5 of The New Realism, etc.