PHARMACOPCEIA LONDINENSIS, 

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

 " A CID UM A CETIC UM FOR TIUS," 



" Acidum Aceticum e Ligno destillatum." 



PURE CONCENTRATED ACETIC ACID, agreeable to the Sample 

 furnished at the request of the Committee of the RoJ-al 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 inGeometry; 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 the Pollen 

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

 wich, on Fossil Bones from tlie 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. Deurbroucq and Ni- 

 chols' Apparatus for Madame Gervais' 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. LXII. 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. Richard Taylor's Paper on the 

 Upper Marine Formation in the Cliffs near Cromer. — A Plate illustrative 

 of Dr. Walchner's Examination of a new Mineral named Hyalosidcrite ; 

 and of Mr. Baily's and M. Frauenhofer's Accounts of the Cicular 

 Micrometer. — A Plato illustrative of Professor Hare's Single-leaf Elec- 

 trometer and improved Deflagrators. — A Plate containing two new Spe- 

 cies of Ascidia ; and Amjyhiuma means, a new Batrachian Animal. 



Vol. LXIV. A Plate illustrative of Mr. S. Seaward's Hydro-pneu- 

 matic Pump for compressing Gases. — A Plate illustrative of Mr. Stur- 

 geon's Electro-magnetic Rotating Apparatus; and of Mr. Haycraft's 

 Apparatus for ascertaining the Specific Heat of Gases.— A Plate illustra- 

 tive of Fossil Remains of two new Saurian Animals found in America. 



Vol. LXV. Two Plates illustrative of Captain Gkayoon's Celestial 

 Compass.— A Plate illustrative of the Skeletons of the Plcsiosaurus, 

 Dolichodeinu, and Ichthyosaurus communis. 



