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Rh It will be seen that three quarters of the visual hallucinations represented a lifelike human ﬁgure, in the majority of cases known to the percipient. It will further be noted that, in view of the comparatively short period of our waking hours spent in bed, a disproportionately large number of the hallucinations occurred under such conditions—a fact due no doubt largely to the quiescence and freedom from disturbance obtaining.

Apart from their interest for psychologists generally as representing an incursion into a ﬁeld hitherto practically unexplored—the hallucinations of sane and healthy persons —the results of the census have an important bearing upon the evidence for the telepathic hypothesis. As already pointed out, in most experiments at close quarters we can calculate with some approach to exactness the probabilities against the results coinciding by chance;