It is to be noted that in the revival of hypnotism the scene of operation was transferred from the baquet and _salle des crises_ to the hospital; the subjects are no longer persons of fashion seeking release from ennui, but patients of the poorer classes, suffering mainly from one or other of the protean forms of nervous derangement. Some very remarkable subjects were discovered at the Salpêtrière by Georget and Rostan, and the former inserted a chapter on somnambulism in his textbook of physiology. In 1820 Husson authorized magnetism at the Hôtel Dieu; and within a brief time somnambules were to be found at almost all the hospitals of Paris. The phenomena presented were those introduced by Puységur; patients became somnambulic, prescribed for themselves and others, perceived by an internal sense the details of their own anatomy, foresaw the future, and developed a variety of abnormal sensibilities. Baron Du Potet, who experimented extensively at the Hôtel Dieu, was convinced that his subjects could perceive his silent wish and obey his unexpressed command. In Germany appeared eccentric systems of "Tellurism" and "Siderism," and the occult was rampant. The mysterious and extreme phenomena were accentuated, and the value and genuineness of the entire somnambulic condition were made to rest upon the demonstrability of miracles. Here and there a few of the simpler phenomena, such as insensibility to pain, were produced, but in the main these were neglected. Of this type were the observations that, through the zeal of Dr. Foissac, the Academy of Medicine was called upon to consider in 1825. He offered to exhibit his subjects, claiming for them all the supernormal powers above indicated--that, indeed, "they were possessed of the genius that had inspired Hippocrates." The work of this commission was not free from dissensions; and five years elapsed before they were able to submit a report. The report was extremely favorable to the magnetists, and urged that, while some of the effects produced were too trivial to serve as evidence of a new system, and while others could be explained as due to the action of the imagination, "some results depend solely upon magnetism and cannot be produced without it." The commission corroborated the physiological and other effects that had been already recorded,--such as quickening of respiration and circulation, the induction of tremors and convulsive movements, insensibility to pain and to ordinary stimuli, the rapport between subject and operator, the continuity of memory in successive magnetic states; but the chief stress was laid upon the more wonderful operations. Of these they certified as genuine, reading with closed eyes, the prediction of the course of disease, clairvoyance, and general mental exaltation. They also testified to the value of the therapeutic effects, and conclude that the "academy should recognize and encourage researches into magnetism as an interesting branch of psychology and natural