it) to the other person concerned. There are cases, too, where in a kind of dream-consciousness the sensation of the self passing out through walls and other obstacles is so powerful as to leave an impress on the mind ever after. Such is the case already alluded to (chapter viii. p. 148, _supra_) from _Footfalls on the Boundary of Another World_, where a lady half waking from sleep “felt herself carried to the wall of her room, with a feeling that it must arrest her further progress. But no; she seemed to pass through it into the open air. Outside the house was a tree; and this also she appeared to traverse as if it interposed no obstacle.” She thus passed to the house of a lady friend, held a conversation with her, and in her dream returned. But afterward the friend reported that she had _seen_ the apparition that night and conversed with it. Similarly a young friend of mine, dreaming one night that his mother (in the same house) was ill, was intensely conscious of dashing—not along corridors and through doorways but _through the partition walls of two rooms_—into the chamber where his mother slept, when finding her all right he returned; and the experience was so vivid that it remained with him for days afterward. Taking all these considerations together, we may say that there is a strong general probability in favor of the proposition put forward. And it is interesting and important to find that at this juncture modern science is coming out from her old haunts and beginning seriously to tackle a question which she has hitherto for the most part evaded or ignored. The whole of the psychology and even physiology of Death have (as I have previously remarked) been sadly neglected; but now and of late quite a number of books on this subject have been published,[94] and a good deal of scientific activity is moving in that direction.