ANNUAL REPORT. 



1852. 



March 10th. — Description of some Fossil Land Shells from St. 



Helena, by Prof. E. Forbes, F.G.S. 

 March 24th. — On the Foot Tracks in the Potsdam Sandstone of 



Lower Canada, by W. E. Logan, Esq., F.G.S. 

 ■ Description of the Potsdam Sandstone Foot Tracks 



(Protichnites), by Prof. R. Owen, F.G.S. 

 April 7th. — On some of the Effects of the Holmfirth Flood, by 



Joseph Prestwich, Jmi., Esq., F.G.S. 

 On the Salt range of the Pmijaub, by Dr. A. Fleming; 



communicated by Sir R. I. Murchison, F.G.S. 



Geological Notice of the Country around Kotah, 



Deccan, by Dr. T. L. Bell; communicated by Colonel Sykes, F.G.S. 



April 21st. — Letter on the Occurrence of an Earthquake Shock at 

 Bristol, by Major Thomas Austin, F.G.S. 



On the Lower Eocene Strata (Thanet Sands) of 



England, by Joseph Prestwich, Jun., Esq., F.G.S. 



May 5th. — On the Tertiary Formations of Belgium and their British 

 Equivalents, by Sir Charles Lyell, F.G.S. Part I. On the Pliocene, 

 Miocene, and Upper Eocene of Belgium. 



On the Geology of Catalonia, by Samuel Peace Pratt, 



Esq., F.G.S. 



May 19th. — On the Soils covering the Chalk of Kent, by Joshua 

 Trimmer, Esq., F.G.S. Part 2. 



On the Tertiary Formations of Belgium and their 



British Equivalents, by Sir Charles Lyell, F.G.S. Part 2. On the 

 Lower Tertiaries. 



June 2nd. — On the Geology of the Bahamas, and on Coral Forma- 

 tions generally, by Capt. Nelson ; communicated by Sir Charles 

 Lyell, F.G.S. 



■ On some Fossil Plants from the Lower Trias of War- 

 wickshire, by George Lloyd, M.D., F.G.S. 



June 16th. — On the Silurian Rocks of the S. of Scotland, and on the 

 Gold Districts of Wanlockhead and the Lead Hills, by Robert 

 Harkness, Esq, ; communicated by J. C. Moore, Esq., Sec. G.S. 



Description of some Graptolites from the South of 



Scotland, by J. W, Salter, Esq., F.G.S. 



On a protruded Mass of Ludlow Rock at Hagley 



Park, Herefordshire, by H. E. Strickland, Esq., F.G.S. 



Description of the Pterygotus problematicus, by 



J. W. Salter, Esq., F.G.S. 



On the Comparison of the Devonian Series of Belgium 



and England, by Daniel Sharpe, Esq., F.G.S. 



On the Comparison of the Tertiary Series of Belgium 



and England, by M. A. M. Dumont, For. M.G.S. 



On the meaning of the term " Silurian System," by 



Sir R. I. Murchison, F.G.S. 



Further Remarks on the Ornithoidichnites of the 



Weald, by S. H. Beckles, Esq.; communicated by Sir Charles 

 Lyell, F.G.S. 



