PREFACE. 



Abernethy and Lawrence. — Comparative Anatomy, Macartney, Lawrence, 

 and Clarke. — Annuities, W. Morgan. — Antiquities, H. Ellis and Strutt. — 

 Architecture, Porden, E. Aikin, P. Nicholson, Dr. Milner, and Webster. — 

 Astrono7ny, Bonnycastle and Pond. — Astronomical Instruments, Rev. Dr. 

 Pearson. — Biography, Sir J. E. Smith, Dr. Barney, Dr. Malkin, and Dr. T. 

 Rees. — Botany, Sir J. E. Smith, Dr. Woodville, Rev. Mr. Wood. — 

 Canals, Farey, senior. — Chemistry, Aikin, Sylvester, Dalton, Brande, 

 Dr. Marcet, Sir Humphrey Davy, Dr. C. Taylor, and Dr. Davy. — Conic 

 Sections and Curvilinear Geometry, Ivory. — Drawing, Howard. — Dyna- 

 mics, Cavallo. — Education, Dr. Carpenter. — Electricity, Cavallo and Cuth- 

 bertson. — Engraving, Landseer. — Entomology, Conchology, and several 

 other articles of Natural History, Donovan. — Exchange, Standard, Coinage, 

 and Weight, Dr. Kelly. — Blast and Blowing Furnaces, Mushett. — Gen- 

 logy, Koenig, Bakewell. — Geography, Tooke, Hinckes. — Geometry, Barlow, 

 Ivory. — Grammar, Dr. Jones. — Heraldry, Sir G. Naylor. — History, 

 English, S. Turner and Owen Pugh. — Horology, Rev. Dr. Pearson. — 

 Language, Dr. Carpenter, Dr. Jones. — Magnetism, Cavallo. — Manufac- 

 tures, Duncan, J. Thomson, Parkes, and Farey, junior. — Mechanics and 

 Machinery, Cavallo, Farey, junior. — Medicine, Dr. Bateman and Dr. Hen- 

 derson. — Mental Derangement, Dr. Haslam. — Meteorology, L. Howard, 

 Dalton, and Dickson. — Midxmfery, Dr. Bland. — Mineralogy, Koenig, Bake- 

 well. — Mining, Taylor. — Naval Architecture, Glover. — Navigation, 

 Mackay. — Music, Dr. Burney and Farey, senior. — India Mythology, Mapr 

 Moor. — Mental and Moral Philosophy, Dr. Carpenter. — Painting, Russell, 

 Opie, Ottley, and Phillips. — Prosody, H. Parker. — Sculpture, Flaxman, 

 P. Hoare, and Bacon. — Surgery, Blair, who also furnished the article 

 Cipher, and S. Cooper, — Topography, Britton. — Versification, H. Parker ; 

 — and a variety of Miscellaneous articles by Joyce, Ellis, Fletcher, Howard, 

 Clarkson, and several other gentlemen, who were occasional contributors, 

 and whose names it is needless to mention. To Mr. S. Bevan and some 

 other literary and scientific friends, the Editor is indebted for the assistance 

 which they have afforded him in suggesting articles that had been omit- 

 ted, and that have been supplied in the Addenda. Dr. Thomas Rees has, 

 towards the close of the work, paid particular attention to the arrangement 

 of the Plates. He has also drawn up a digested catalogue of them, together 

 with an alphabetical index of the subjects which they comprise ; and added 

 such explanations, and corrections of references, as appeared to be neces- 

 sary or desirable, after a minute and careful collation, made in conjunction 

 with the Editor, of every Plate, with the printed letter-press to which it 

 pertained. The Editor and Proprietors of this work are also indebted f.o 



