"I. Appearances of Angels. (1.) Good. (2) Evil.--II. Spectral appearances of--(1.) The beholder himself (_e.g._ 'Fetches' or 'Doubles'). (2.) Other men, recognised or not. (i.) Before their death (_e.g._ 'second sight.') (a.) To one person. (b.) To several persons. (ii.) At the moment of their death. (a.) To one person. (b.) To several persons. 1. In the same place. 2. In several places. i. Simultaneously. ii. Successively. (iii.) After their death. In connexion with--(a.) Particular places remarkable for--1. Good deeds. 2. Evil deeds. (b.) Particular times (_e.g._ on the anniversary of any event, or at fixed seasons). (c.) Particular events (_e.g._ before calamity or death). (d.) Particular persons (_e.g._ haunted murderers).--III. 'Shapes' falling under neither of the former classes. (1.) Recurrent. In connexion with--(i.) Particular families (_e.g._ the 'Banshee'). (ii.) Particular places (_e.g._ the 'Mawth Dog'). (2.) Occasional. (i.) Visions signifying events, past, present, or future. (a.) By actual representation (_e.g._ 'second sight'). (b.) By symbol. (ii.) Visions of a fantastical nature.--IV. Dreams remarkable for {151} coincidences. (1.) In their occurrence. (i.) To the same person several times. (ii.) In the same form to several persons. (a.) Simultaneously. (b.) Successively. (2.) With facts. (i.) Past. (a.) Previously unknown. (b.) Formerly known, but forgotten. (ii.) Present, but unknown. (iii.) Future.--V. Feelings. A definite consciousness of a fact. (1.) Past: an impression that an event has happened. (2.) Present: sympathy with a person suffering or acting at a distance. (3.) Future: presentiment.--VI. Physical effects. (1.) Sounds. (i.) With the use of ordinary means (_e.g._ ringing of bells). (ii.) Without the use of any apparent means (_e.g._ voices). (2.) Impressions of touch (_e.g._ breathings on the person). "Every narrative of 'supernatural' agency which may be communicated, will be rendered far more instructive if accompanied by any particulars as to the observer's natural temperament (_e.g._ sanguine, nervous, &c.), constitution (_e.g._ subject to fever, somnambulism, &c.), and state at the time (_e.g._ excited in mind or body, &c.)." As I have no authority to give names, I can do no more than say that, though not a member of the Society, I shall be happy to receive communications and forward them to the secretary. C. MANSFIELD INGLEBY. Birmingham. [_The Night Side of Nature_ would seem to indicate that its ingenious, yet sober and judicious, authoress had forestalled the "Folk-lore" investigations of the projected Cambridge Society. Probably some of its members will not rest satisfied with a simple collection of phenomena relating to communications with the unseen world, but will exclaim with Hamlet--