ENGRAVINGS. 



Vol. LV. A Plate exhibiting Sketch of the Comet's Path of July 1819. 

 —A Plate illustrative of the Annular Eclipse of the Sun on the 7th of 

 September next.-; — A Plate illustrative of Mr. Lane's Instrument for 

 gathering Fruitj Mr. Young's Mode of preparing Opium from the 

 Papaver somniferumf and of Captain Form an 's Essay on a Property in 

 Light which hitherto has been unobserved by Philosophers. — A Plate de- 

 scriptive of Mr. Cuthbert's improved Hydro.pneumatic Apparatus, &c. 

 — A Plate illustrative of Capt. Forman's Essay on the Reflection, Refrac- 

 tion, and Inflection of Light, &c. ; and Mr. Charles Bonnycastle's 

 Communication respecting the Influence of Masses of Iron on the Mari- 

 ner's Compass. 



Vol. LVI. A Plate illustrative of Mrs. Ibbetson's Paper on the Phy- 

 siology of Botany. — A Plate illustrative of Mr. Hall's Percussion Gun- 

 Lock; of Dr. Kitchiner's PancraticEye-Tu.be; and of Mr. Park's 

 Mooring Blocks. — A Plate exhibiting Seccions, &c. of Mr. Malam's im- 

 proved Gas-Meter. — A. Plate exhibiting the Discoveries made by Capt. 

 Parry in the Polar Sea. ' 



Vol. LVII. A Plate illustrative of Mess. (Ersted and Ampere's 

 Electro-magnetic Experiments, and Mr. Perkins's Paper on the Com. 

 pressibility of Water. — A Plate illustrative of Mr. Jamibson's Marine 

 Thermometer Case, and Mr. Jennings's Mercurial Log-Glass.— A Plate 

 illustrative of Dr. Hare's new Modification of Galvanic Apparatus. — A 

 Plate representing a Double Canal Lock, originally proposed for the Re- 

 gent's Canal, by- Mr. R. H. Gower ; and a Modification of Electro-Mag- 

 netic Apparatus, by Mr. Tatum. 



Vol. LVIII. A Plate illustrative of Mr. Geo. Innes's Calculations of 

 the Annular Eclipse of the Sun, which will happen on the l5th of May 

 18.S6. — A Plate descriptive of the Hydrostatic Balances of Isaiah 

 Lukens and Dr, Coates. — A Plate illustrative of "An Introduction to 

 the Knowledge of Funguses." — A Plate illustrative of Professor Davy's 

 Lactometer, and of Mr. John Murray's portable Apparatus for restor- 

 ing the Action of the Lungs. — A Plate by Portek, illustrative of Mr. 

 Schoolcraft's Account of the Native Copper on the Southern Shore of 

 Lake Superior ; and of Dr. Millar's Observations and Experiments on 

 the Rose of Jericho. — With a Portrait of the Editor, engraved by 

 Thomson from a Painting by Frazer ;— iand a Plate by Porter, illus- 

 trative of Mr. Leeson's Appendage to Tofft's Blowpipe. 



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 in Geometry j 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 Construc'.ion 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 the Norfolk Coast. — A Plate illustrative of a 

 Paper by~F. Baily, Esq. on the Stars forming the Pleiades. 



