The conventional “white-sheeted ghost” was not then all fancy, but had a foundation in fact—a fact, too, of deep significance, dependent on the laws of a yet unknown chemistry. SUMMARY OF THE MORE IMPORTANT MANIFESTATIONS, PHYSICAL AND MENTAL. As we have not been able to give an account of many curious facts which occur with the various classes of mediums, the following catalogue of the more important and well-characterized phenomena may be useful. They may be grouped provisionally, as, Physical, or those in which material objects are acted on, or apparently material bodies produced; and Mental, or those which consist in the exhibition, by the medium, of powers or faculties not possessed in the normal state. The principal physical phenomena are the following: 1. _Simple Physical Phenomena._—Producing sounds of all kinds, from a delicate tick to blows like those of a heavy sledge-hammer. Altering the weight of bodies. Moving bodies without human agency. Raising bodies into the air. Conveying bodies to a distance out of and into closed rooms. Releasing mediums from every description of bonds, even from welded iron rings, as has happened in America. 2. _Chemical._—Preserving from the effects of fire, as already detailed. 3. _Direct Writing and Drawing._—Producing writing or drawing on marked papers, placed in such positions that no human hand (or foot) can touch them. Sometimes, visibly to the spectators, a pencil rising up and writing or drawing apparently by itself. Some of the drawings in many colors have been produced on marked paper in from ten to twenty seconds, and the colors found wet. (See Mr. Coleman’s evidence in “Dialectical Report,” p. 143, confirmed by Lord Borthwick, p. 150.) Mr. Thomas Slater, of 136 Euston Road, is now obtaining communication in the following manner: A bit of slate pencil an eighth of an inch long is laid on a table; a clean slate is laid over this, in a well-lighted room; the sound of writing is then heard, and in a few minutes a communication of considerable length is found distinctly written. At other times the slate is held between himself and another person, their other hands being joined. Some of these communications are philosophical discussions on the nature of spirit and matter, supporting the usual Spiritual theory on this subject. 4. _Musical Phenomena._—Musical instruments, of various kinds, played without human agency, from a hand-bell to a closed piano. With some mediums, and where the conditions are favorable, original musical compositions of a very high character are produced. This occurs with Mr. Home.