Niebuhr on Divine providence, 246. Nitzsch teaches that God is the cause of space and time, 69. Norton, Prof., on Atomic Forces, 209; his doctrine that atomic repulsion is the primary force, 220; teaches that the Infinite Spirit is the primal source of all force, 221, 222. O. Omnipotence of God and human freedom, 355-359. Order of nature, facts concerning the, which are supposed to conflict with the efficacy of prayer, 310. Order of the universe had a beginning, 98. Oriental civilization the infancy of humanity, 275. Origin of things, mechanical theory of the, 299, 300; vito-dynamical theory of, 299. Origination and formation, 97. Owen, Prof. R., on the preparation of the earth for man, 255, 256. P. Pantheism, the doctrine of unconscious intelligence ends in, 229, 230. Perfect personality of God, 51. Permanence of substance, force, and law, 15. Permanence of the universe, no _à priori_ ground for belief in the, 100, 188, 189. Phenomena of the universe in ceaseless change, 14. Physical and spiritual distinguished, 368. Physical geography indicates a preparation of the earth for man, 257. Plastic nature, theory of a, 183, 222-235. Plato taught that a perfect mind is the primal source of all existence, 38. Porter, Dr., regards space as an entity, 69. Prayer--have our prayers any influence with the Supreme Power? 292; importance of this question, 292, 293; natural to man, 302-304; an essential element of life, 304-310; necessary to the formation of noble character, 306-308; attacks on the efficacy of, from the stand-point of experience, 313-321; from the theoretic stand-point, 321-338. Prayer-gauge, the, not presented in terms of experience, and therefore not capable of experimental application, 317, 318. Problem, the central, specifically stated, 21, 22. Procter on Divine supervision and control, 176. Providence, statement of the Christian doctrine of, 245, 246; the course of human history a revelation of, 246, 247; defined, 252; in the physical universe, 254; nature and history the two great factors of Divine providence, 258. R. Reality of the external world, 14. Relation between God and man--(1) contiguity, 351-353; (2) immanency, 353-359; (3) paternity and filiation, 359-365. Religion, the sphere of, 294-297; inadequate definition of, by Spencer, 298; true conception of, 295. Religious consciousness, the content of, 304, 305; order of development of, 346-349. Religious feeling, the facts of, as incontestible as the facts of Physics, 296; statement of the facts of, 302-310. Repulsion the primary force, 220. Richter on the providence of God in history, 247. Roman civilization the manhood of the race, 282-285. S. Schleiermacher on the cause of space and time, 69. Science and Religion, the apparent antagonism between them, 297, 298.