A sketch of the history of the Davenport boys : their mediumship, journeyings, and manifestations and tests given in their presence by the spirits : a full account of the arrest and trials of L.P. Rand and the Davenport mediums, at Mexico, and at Phoenix : their incarceration, and the deliverance of L.P. Rand from the prison by the angels : their declaration of the fact, and affidavit to the same, duly made and presented ; with an appendix /