Xll ANNIVERSARY MEETING. 



April 22nd. — On the Subdivision of the genus Terebratula, by John 



Morris, Esq.. F.G.S. 

 Description of the Dukinfield Siglllaria, by E. W. 



Binney, Esq. 



On Erect Fossil Trees in Cape Breton Coal-Field, by 



Richard Brown, Esq. 

 May 6th. — On the Wealden Strata exposed by the Tunbridge Wells 



Railway, by J. Prestwich, jun., Esq., F.G.S. , and John Morris, 



Esq., F.G.S. 

 On the Newer Deposits of the Southern States of 



North America, by Charles Lyell, Esq., F.G.S. 



On Footmarks of Birds in the New Red Sandstone, 



by John Cunningham, Esq., F.G.S. 

 May 20. — Description of a New Species of Plesiosaurus, by S. 



Stutchbury, Esq., F.G.S. 

 On Foot-marks in the Coal Measures of Pennsylvania, 



by Charles Lyell, Esq., F.G.S. 



Description of an Upper Molar Tooth of Dichohune 



cervinum, from Binstead, Isle of Wight, by Richard Owen, Esq. 

 F.G.S., Hunterian Professor of Anatomy in the Royal College of 

 Surgeons. 



On the Wealden Beds of Brora, Sutherlandshire, by 



Alex. Robertson, Esq., F.G.S. 

 June 3rd and 17th. — On the Silurian and Associated Rocks in Da- 



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

 June 17. — Description of a Fossil Chiton from the Silurian Rocks, 



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

 ' Notice of the occurrence of the Elephas primigenius 



at Gozo near Malta, by James Smith, Esq., of Jordan Hill, F.G.S. 

 Nov. 4th. — Notice on the existence of Purbeck Strata with remains 



of Insects, at Swindon, Wilts, by the Rev. P. B. Brodie, F.G.S. 

 Additional Remarks on the Deposit of QEningen in 



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



On the extinct Fossil Viverrine Fox of CEningen, by 



Richard Owen, Esq., F.G.S., Hunterian Professor of Anatomy in 

 the Royal College of Surgeons. 



On the Geology of the Island of Lafu, by the Rev. 



W.B. Clarke, F.G.S. 



November 18th. — On the Laws of Development of Existing Vegeta- 

 tion, and the application of these laws to certain Geological Pro- 

 blems, by John Walton, Esq. 



Remarks on the Geology of the Islands of Samos and 



Eubcea, by Lieut. T. Spratt, R.N., F.G.S. 



On the Fossils collected by Lieut. Spratt, R.N., in 



the Islands of Samos and Eubcea, by Edward Forbes, Esq., F.G.S., 



Professor of Botany in King's College, London. 

 December 2nd.— On the Coal Plants of Nova Scotia, by C. J. F. 



Bunbury, Esq., F.G.S. 



On Slaty Cleavage, by Daniel Sharpe, Esq., F.G.S. 



December 16th. — On the Fossiliferous Slates of North Wales, 



