{56a} Told by the nobleman in question to the author. {56b} The author knows some eight cases among his friends of a solitary meaningless hallucination like this. {58} As to the fact of such visions, I have so often seen crystal gazing, and heard the pictures described by persons whose word I could not doubt, men and women of unblemished character, free from superstition, that I am obliged to believe in the fact as a real though hallucinatory experience. Mr. Clodd attributes it to disorder of the liver. If no more were needed I could "scry" famously! {60a} Facts attested and signed by Mr. Baillie and Miss Preston. {60b} Story told to me by both my friends and the secretary. {62} Memoires, v., 120. Paris, 1829. {66} Readers curious in crystal-gazing will find an interesting sketch of the history of the practice, with many modern instances, in Proceedings, S.P.R., vol. v., p. 486, by "Miss X.". There are also experiments by Lord Stanhope and Dr. Gregory in Gregory's Letters on Animal Magnetism, p. 370 (1851). It is said that, as sights may be seen in a glass ball, so articulate voices, by a similar illusion, can be heard in a sea shell, when "It remembers its august abodes, And murmurs as the ocean murmurs there".