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Rh Mr. Frederic Myers at their head, are doing so much to rehabilitate; such phenomena, namely, as religious conversions, providential leadings in answer to prayer, instantaneous healings, premonitions, apparitions at time of death, clairvoyant visions or impressions, and the whole range of mediumistic capacities, to say nothing of still more exceptional and incomprehensible things. If all our human thought be a function of the brain, then of course, if any of these things are facts,—and to my own mind some of them are facts,—we may not suppose that they can occur without preliminary brain-action. But the ordinary production-theory of consciousness is knit up with a peculiar notion of how brain-action can occur,—that notion being that all brain-action, without exception, is due to a prior action, immediate or remote, of the bodily sense-organs on the brain. Such action makes the brain produce sensations and mental images, and out of the sensations and images the higher forms of thought and