[Footnote 3: Studies in Psychical Research, p. 140.]
[Footnote 4: See Preface to this edition for correction.]
[Footnote 5: Proceedings, S.P.R. vii. 383-394.]
[Footnote 6: See Sir W. Crookes's Researches in Spiritualism.]
[Footnote 7: Mr. Aïdé has given me this information. He recorded the circumstances in his Diary at the time.]
[Footnote 8: Report of Dialectical Society, p. 209.]
[Footnote 9: See Porphyry, in Parthey's edition (Berlin, 1857), iii. 4.]
[Footnote 10: Bulletin de la Société de Biologie, 1880, p. 399.]
[Footnote 11: Crookes, Proceedings, ix. 308.]