tlit CONTENTS. 



SUPPLEMENT TO VOL. XVIIL 



Engraving of the following Object : Mr. Stotf s Engine for splitting Sheep Skins. 



I. On some Chemical Agencies of Electricity. By Humphry Davy, Esq. 

 F. R. S» M. R. L A. Read November 20, 1806 - - Page 321 



H. Extract of a Letter from Mr. J. M. Haussmann to Mr. Berthollet 339.' 



». .'.1 /•-'■''•' > . • '. ' ' ■ ' 



HI. Observations on the Distilled Water of common Borage. By Philip Antony 



Steinacher, Member of the Pharmacuetic Society of Paris - 343 



IV. A Memoir on Acetic Acid . By Mr. J. B. Trommsdorff - 345 



y. Account of an Engine for splitting Sheep Skins. By Mr. Benjamin Stott, of 

 Bermondsey Street - - ^ _ 34 g 



^. A Memoir on Sulphuric Acid. By Mr. Klaproth : read at the Philomathic 

 Society of Berlin ~ - - - - , 349; 



Scientific News. — A Classification of Vegetables, and Plan of a new Method 

 formed on that of Toiirnefort, according to which the Plants of the Garden 

 of the private School of Pharmacy at Paris are arranged. By D. L. Guyart, 

 Assistant Professor of E0tany at the School, &:c. - - 351 



Lid - ^9T/i>iiaJ[ 



