CONTENTS. 



Art. I. Remarks on the Theory of the Elevation of Moun- 

 tains. By George Bellas Greenough, Esq. 

 F. R. S., &c. &c. &c. President of the Geological 

 Society of London, - - - Page 205 



11. Remarks on a paper by Dr Stark, On the Influ- 

 ence of Colour on Heat, &c. in the Philosophi- 

 cal Transactions, 1833, pai't ii. ; and on an His- 

 torical Account of Experiments relating to the 

 subject, .in the Edinburgh New Philosophical 

 Journal, No. 33. By the Rev. Baden Powell, 

 M. A., F. R. S., Savilian Professor of Geometry, 

 Oxford. Communicated by the Author, 228 



ni. Notice of some Experiments on Silicated Fluoric 

 Acid Gas. By John Davy, Esq. M. D., F. R. S., 

 Assistant Inspector of Army Hospitals. Com- 

 municated by the Author, - - . 243 



IV. Address to the British Association for the Ad- 

 vancement of Science, delivered on the occasion 

 of the Opening of the Fourth Generial Meeting 

 at Edinburgh, 8th September 1834. By James 

 D. Forbes, F. R. SS. L. & E., Professor of Na- 

 tural Philosophy in the University of Edinburgh, 

 and one of the Secretaries of the Association. 

 Communicated by the Author, - - 247 



