Xenography T he phenomenon of writing in an unknown language which is more difficult to verify than xenoglossy .
Many researchers believe many incidences to be a result of cryptomnesia .
French physiologist Charles Richet reported the case of Madame X, a French medium, who wrote long Greek sentences while in a trance. To Richet's discovery he found many of the sentences could have came from a French-Greek dictionary. The phenomenon is said to be persued by the late 19th century medium from Geneva, Switzerland, Catherine Elisa Muller, using the pseudonym Helene Smith. She produced quite a controversy by her supposedly astral visits to Mars. Although never working as a paid medium she held seances for friends as entertaiment.