U CONTENTS. 



PAGE 



VII. Address delivered at the Anniversary Meeting of the 

 Geological Society of London, on 20th February 

 1846. By Leonard Horner, Esq., V.P.R.S., 

 President of the Society : — 



Metallic Products — Changes in the Relative Level of 

 Sea and Land — Boulder Formations and Erratic 

 Blocks — Palaeontology — Conclusion, . .303 



VIII. On certain Phenomena presented by the Glaciers of 

 Switzerland. By M. Escher de la Linth. 



With a Plate, 344 



IX, An Account of Thermo-Electrical Experiments. By 

 Mr R. Adie, Liverpool. Communicated by the 



Author, 352 



X. Account of a Remarkable Cave in the Island of Bar- 

 badoes, commonly called '* Cole's Cave." By. 

 John Davy, M.D., F.R.S., Lond. and Edin., &c. 

 &c. Communicated by the Author, . .355 



XI. On the Natives of Guiana. By Sir Robert Schom- 

 BURGK. With a Plate. Communicated to the 

 Edinburgh New Philosophical Journal, by the • 

 Ethnoloigical Society of London. With a Plate, 361 

 XII. On the Limits of the Atmosphere, and on Compensa- 

 tion Pendulums. By Henry Meikle, Esq. 

 Communicated by the Author, . . .385 



XIII. Analysis of the American Mineral Nemalite. By 



Arthur Connell, Esq., Professor of Chemistry 

 in the University of St Andrews. Communi- 

 cated by the Author, 387 



XIV. General Considerations on the Organic Remains, and 



in particular on the Insects, which have been 

 found in Amber. By Professor J. Pictet, . 391 



XVII. Remarks on Ancient Beaches near Stirling. By 

 Charles Maclaren, Esq., F.R.S.E. Communi- 

 cated by the Author, .... 402 



XVIII. On the Great Thunder Storms and Extraordinary 

 Agitations of the Sea, on the 5th July and 1st 

 of August 1846. By Richard Edmonds jun., 

 Esq. Read at the Penzance Natural History, on 

 the 11th August 1846, .... 412 



XIX. Eleventh Letter on Glaciers ; Addressed to Professor 

 Jameson. (1.) Observations on the Depression 

 of the Glacier Surface. (2.) On the Relative 

 Velocity of the Surface and Bottom of a Glacier. 

 With a Plate. By Professor J. D. Forbes, 414 



