Just published, in one thick volume,. Price 10s. 6d. boards, 



SKETCHES of the PHILOSOPHY of APPARITIONS; or An 

 Attempt to trace such Illusions to their Physical Causes. 



By SAMUEL HIBBERT, M.D., F.R.S.E., 



Secretary to the Society of Scottish Antiquaries, Member of the Royal 



Medical and Wernerian Societies of Edinburgh, of the 



Philosophical Society of Manchester, &c. 



Published by Oliver and Boyd, Edinburgh ; and G. and W. B. Whit- 

 taker, London. 



PHARMACOPOEIA LONDINENSIS, 



Iterum recognita et retractata, 1824', p. 6. 



"ACIDUM ACETICUM FORTIUS," 

 vel 



" Acidum Aceticum e Ligno destillatum." 



PURE CONCENTRATED ACETIC ACID, agreeable to the Sample 

 furnished at the request of the Committee of the Royal College of 

 Physicians, may be had of the Manufacturers, BEAUFOY & CO. South 

 Lambeth, London. 



ENGRAVINGS. 



Vol. LIX. A Plate illustrative of Mrs. Ibbetson's Paper On the 

 Flower-buds of Trees passing through the Wood. — A Plate descriptive 

 of the Instruments employed in determining Altitudes from the Trigono- 

 metrical Station on Rumbles Moor, Yorkshire. — A Plate illustrative of 

 Mr.IvoRy's Theory of Parallel Lines inGeometryj Mr. Leeson's Safety 

 Blowpipe Appendages; Mr. Moore's new Apparatus for restoring the 

 Action of the Lungs in Cases of suspended Respiration ; and Dr. Reade's 

 Communication on Refraction.— A Plate illustrative of a curious Electro- 

 magnetic Experiment by Mr. Barlow; and Mrs. Ibbetson's Paper on 

 the Perspiration alleged to take place in Plants. — A Plate illustrative of 

 Mr. Marsh's Paper on a particular Construction of M. Ampere's Ro- 

 tating Cylinder. 



Vol. LX. A Plate illustrative of Mrs. Ibbetson's Paper On thePollen 

 of Flowers. — A Plate illustrative of a Paper by Mr. R. Taylor, of Nor- 

 wich, on Fossil Bones from the Norfolk Coast. — A Plate illustrative of a 

 Paper by F. Baily, Esq. on the Stars forming the Pleiades. — A Plate 

 illustrative of Prof. Amici's New Sextant. 



Vol. LXI. Engravings — 1. Illustrative of Mr. Tredgold's Paper on 

 the Flexure of Astronomical Instruments. — 2. Deurbroicq and Ni- 

 chols' Apparatus for Madame Geuvais' New Method of Fermentation. 

 — A Plate illustrative of Mr. R. Taylor's Geological Section of Hun- 

 stanton Cliff, Norfolk. — A Plate illustrative of Mr. Tatum's Communi- 

 cation on Electro- Magnetism. 



Vol. LX1I. A Plate illustrative of Professor Hare's Communications 

 on Electricity, and on the Self-acting Blowpipe.— A Plate illustrative 

 of Mr. Brunel's new Mode of Tunnelling, and of his Proposal for a 

 Roadway under the Thames. — A Plate illustrative of M. Becquerel's 

 Experiments on the Development of Electricity by Pressure. —A Plate 

 illustrative of Mr. Barlow's Experiments on Mr. Marsh's Thermo- 

 Electric Apparatus.— A Plate illustrative of Mr. Sea ward's Observa- 

 tions on Suspension Chain Bridges. 



Vol. LXIII. A Plate illustrative of Mr. Gompertz's Method of de- 

 fending Ships and Fortifications; and a Cut of Mr Seaward's Pressure 

 Gauge. — A Plate illustrative of Mr. Richahd Taylok'o Paper on the 

 Upper Marine Formation in the Cliffs near Cromer. 



>c 



