Metapsychical Phenomena

A French proverb says, ‘we must have eggs to make an omelette’: in order to be able to study psychical phenomena we must have psychical phenomena. This seems an elementary proposition, and yet it is the very one we most readily overlook. I have already said why and wherefore.
Therefore, I deem it necessary to indicate at once the methods which have appeared to me to give the most favorable results. Those of my readers who may wish to verify the accuracy of my conclusions will, I am sure, hav...