PREFACE. Vll 



Medicine, Midwifery, and Pharmacy, were written by J. 

 M. GOOD, Esq. the learned translator of " Lucretius," 

 and author of many works in medicine, and the sciences 

 connected with it. Those on Anatomy, Comparative 

 Anatomy, the Natural History of Man, Physiology, Sur- 

 gery, &c. were drawn up by W. LAWRENCE, Esq. of 

 St. Bartholomew's Hospital. 



To a very ingenious pupil of Dr. SMITH, the celebrat- 

 ed President of the Linnean Society, we are indebted for 

 the introductory treatise on Botany. Dynamics, Hy- 

 draulics, Music, Fortification, Perspective, and many 

 other articles in Mathematics, and Experimental Philo- 

 sophy ; and also those on Farriery and Gardening; were 

 composed by Capt. WILLIAMSON, a gentleman well 

 known to the literary and philosophical world. The ar- 

 ticles Distillery and Galvanism were written by Mr. SYL- 

 VESTER of Derby, whose discoveries in the latter new and 

 promising department of experimental research are well 

 known to philosophers. To W. Y. OTTLEY, Esq. we 

 acknowledge ourselves indebted for the article Painting. 

 And to Mr. J. P. MALCOLM, author of " The Antiquities 

 of London," are to be ascribed those on Heraldry, To- 

 pography, and other articles connected with the Arts. 



JAMES PARKINSON, Esq. author of an elaborate and ex- 

 extensive work on the " Organic Remains of a former 

 World," composed the articles Geology, Oryctology, 

 Rocks, and Shells, which appear in this Dictionary* 

 Those on Dyeing, and on the Manufacture of Cotton, de- 

 duced from actual observation, with several others relating 

 to practical Mechanics, and subjects of a mixed nature, 

 were furnished by W. BOSWELL, Esq. ; and those on 



