CONTENTS. 



I. SCIENTIFIC WRITINGS OF JAMES SMITHSON. 



Page. 



An account of some Chemical Experiments on Tabasheer . 1 



Philosophical Transactions of the Royal Society of London, 

 Vol LXXXI, for the year 1791, Part II, p. 368. Bead July 7, 

 1791. 

 A Chemical Analysis of some Calamines .... 18 



Philosophical Transactions of the Eoyal Society of London, 

 Vol. XCIII, p. 12. Read November 18, 1802. 



Account of a Discovery of Native Minium .... 32 



Philosophical Transactions of the Royal Society of London, 

 Vol. XCVI, Part I, 1806, p. 267. Read April 24, 1806. 



On Quadruple and Binary Compounds, particularly Sulphu- 



rets 34 



Philosophical Magazine, London, Yol. XXIX, 1807, p. 275. 

 Read December 24, 1807. 



On the Composition of the Compound Sulphuret from Huel 



Boys, and an account of its Crystals .... 34 



Philosophical Transactions of the Royal Society of London, 

 Vol. XCVIII, Part I, 1808, p. 55. Read January 28, 1808. 



On the Composition of Zeolite ...... 42 



Philosophical Transactions of the Royal Society of London, 

 Vol. CI, p. 171. 'Read February 7, 1811. 



On a Substance from the Elm Tree called Ulmiii . . 47 



Philosophical Transactions of the Royal Society of London, 

 Vol. GUI, Part I, 1813, p. 64. Read December 10, 1812. 



On a Saline Substance from Mount Vesuvius ... 52 



Philosophical Transactions of the Royal Society of London, 

 Vol. GUI, Part I, 1813, p. 256 Read July 8, 1813. 



A few Facts relative to the Coloring Matters of some Vege- 

 tables 58 



Philosophical Transactions of the Royal Society of London, 

 Vol. CVIII, p. 110. Read December 18, 1817. 



