Preliminary Report of the Commission Appointed by the University of Pennsylvania to Investigate Modern Spiritualism In Accordance with the Request of the Late Henry Seybert

ves were far from fitting close. Every crack, however, and every chink had been carefully filled up with paper to prevent, so the Medium said, 'the electricity from flowing through.'

The method of producing the long message which opened the séance has been described above. Whenever we received other long messages, written with some care and more or less filling the side of the slate, the agency employed was adroit substitution, generally effected when the Medium supposed that the attention of his sitters was engrossed with an answer just received to a question addressed to the Spirits. Prepared slates resting against the leg of the table behind him were substituted for those which but a moment before he had ostentatiously washed on both sides and laid on the table in front of him. The handwriting of these long messages bore an unmistakable similarity to the Medium's own.

When a question is written on the slate by a sitter, equal dexterity to that used in substituting the prepared slate, or even greater,