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146 He may regard his members as composed of foreign and often fragile materials, as glass, or he may so lose his personality as to mapper himself to have become a woman.

A monomaniac who believes himself to be some one else, seeks to enter into the feelings, thoughts, and habits of the assumed personality, and from the facility with which this is effected, he draws an argument, conclusive to himself, of the reality of the change. He thenceforth speaks of himself under the assumed character, and experiences all its needs, wishes, passions, and the like. The closer the identification becomes, the more confirmed is the monomaniac in his madness, the character of which varies with the temperament of the individual. If the person's mind be weak, or rude and uncultivated, the tenacity with which he clings to his metamorphosis is feebler, and it becomes more difficult to draw the line between his lucid and insane utterances. Thus Jean Grenier, who laboured under this form of mania, said in his trial much that was true, but it was mixed with the ramblings of insanity.

Hallucination may also be produced by artificial means, and there are evidences afforded by the confessions of those tried for lycanthropy, that these artificial