LISr OF PLATES. 



LIST OF PLATES. 



PLATES I. AND II. 



Illustrating the Report of the Committee for Considering the hest means of Com- 

 paring and Reducing Magnetic Observations. 



PLATES III., IV., AND V. 



Illustrating the Report of the Committee for Exploring the Higher Eocene Beds 

 of the Isle of Wight. 



PLATES VI., VII., VIII., AND IX. 



Illustrating Mr. William Topley's Communication, 'Gold and Silver: their Geo- 

 logical Distribution and their Probable Future Production.' 



PLATE X. 



Illustrating Messrs. E. A. Cowper and W. Anderson's Communication, 

 ' Experiments on the Mechanical Equivalent of Heat on a large Scale.' 



