ANNUAL REPORT. 



List of Papers read since the last Anniversary Meeting, 

 February 2\st, 1851. 



1851. 

 Feb. 26th.— On the Silurian Rocks of Scotland, by Sir R. I. Mur- 



chison, F.G.S. Part 2. 

 March 12th. — On the Fossil Plants of Scarborough, by C. J. F. 



Bunbury, Esq., For. Sec. G.S. 

 Additional Remarks on the Structure of the Calamite, 



by J. S. Dawes, Esq., F.G.S. 



On Upright Calamites occurring near Pictou, by J. 



Dawson, Esq. ; communicated by Sir Charles Lyell, F.G.S. 

 March 26th. — On the Boulder Clay of Caithness, by J. Cleghorn, 



Esq. ; communicated by Sir Charles Lyell, F.G.S. 

 On the Erratic Tertiaries of Cheshire, and on the 



Scratched Boulders of the Till, by Joshua Trimmer, Esq., F.G.S. 

 On the Sequence of Events during the Glacial or 



Pleistocene Period, as evinced by the Superficial Accumulations of 

 North Wales, by Prof. A. C. Ramsay, F.G.S. 



April 9th. — On the Basement Beds of the Inferior Oolite in Glouces- 

 tershire, by the Rev. P. B. Brodie, F.G.S. 



On the Physical Geography of North America, as 



connected with its geological structure, by Sir J. Richardson, M.D. ; 

 communicated by Sir Charles Lyell, F.G.S. 



- On the Erratics of Canada, by J. J. Bigsby, M.D., 



F.G.S. 



April 30th. — Notice of the Occurrence of an Earthquake at Cartha- 

 gena. (Forwarded from the Foreign Office, by order of Viscount 

 Palmerston.) 



On Fossil Rain Prints in the Recent, Triassic, and 



Carboniferous Periods, by Sir Charles Lyell, F.G.S. 



On the occurrence of a Track and Footprints of an 



animal in the Potsdam Sandstone of Lower Canada, by W. E. 

 Logan, Esq., F.G.S. 



On the Footprints in the Potsdam Sandstone of Lower 



Canada, by Prof. Owen, F.G.S. 

 May 14th. — On the Angular Fhnt Drift of the South-East of England, 



and on its Distribution within and without the Wealden, by Sir 



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

 On a Deposit containing Osseous Remains of Mam- 

 malia at Folkestone, by Samuel J. Mackie, Esq. ; communicated 



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

 May 28th. — On the Geological Structure of the Tagros Range of 



Western Persia, by W. K. Loftus, Esq., F.G.S. 

 On the Remains of Fish in the Silurian Rocks of 



Great Britain, by J. W. Salter, Esq., F.G.S. 



On the Elevatory Forces that raised the Malvern Hills, 



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



