_Father Hehl, and Cahagnet._--If any of your numerous readers can say where
any account of Father Hehl, who in 1774 discovered animal magnetism, may be
found; and whether such a person as M. L. Alph. Cahagnet is _living_ in
Paris or elsewhere, whether he is a doctor or pharmacien, what his age may
be, and whether the persons whose letters are given in his book, _Arcanes
de la Vie future devoiles_, are real or imaginary beings, they will greatly
comfort