M. Sigault, by _pretending_ to possess the magnetising power, had all the success of Mesmer himself. He detailed, in a letter to the commissioners, the results, as follows:--“The magisterial tone and serious air I affected, together with certain gestures, made a very great impression on the woman of the house, which she was desirous to conceal, but, having guided my hand upon the region of the heart, I felt it palpitate. Her face became convulsed, her eyes wandered; she at length fell into a swoon, and was reduced to a state of weakness and sinking perfectly incredible. I repeated the same trick upon others, and succeeded more or less, according to their different degrees of sensibility and credulity. A celebrated artist complained for several days of an extreme headache, and acquainted me with it on the Pont-Royal. Having persuaded him that I was initiated in the mysteries of Mesmerism, I expelled his headache, almost instantaneously, by means of a few gestures, to his great astonishment.” From numerous experiments made by the commissioners, it was quite clear that those who were most susceptible of the magnetic influence, if magnetised _unknown to themselves_, were not in the least affected; whereas, when they _suspected_ the operation was performing, they exhibited all the usual phenomena attributed to that power, though in reality nothing was done. Metallic tractors, as the agents of animal magnetism, under the superintendence of Dr. Perkins, for a time produced a sensation equally extraordinary in England; but it was satisfactorily proved that the imagination of the patient alone gave virtue to the tractors. Dr. Thornton found a wooden skewer had all the power of the tractors in removing pain when clandestinely used instead of them. The Baron Silfverkielm, of Uleáteog, in Finland, was a great proficient in Mesmerism. He imagined the souls of those magnetically asleep were translated to the regions above, where the souls of the departed were all dressed in white robes, and enjoyed constant scenes of delight. He would interrogate the sleepers, concerning the white robes, Paradise, and the Elysian Fields. He was also desirous to receive intelligence from his ancestors, and, in general, they very kindly sent him their compliments by the mouths of the couriers in white jackets.