539 



May 15th. — On the Geology of Cape Breton, by Richard Brown, 



Esq. 

 May 29th. — Continuation of the Memoir on the Geology of North 



Wales, by the Rev. A. Sedgwick, M.A., Woodwardian Professor 



in the University of Cambridge, F.G.S. 

 June 12th. — On Fluorine in Bones, its sources and its application 



to the ascertainment of Geological time, by J. Middleton, Esq., 



F.G.S. 

 Letter from Mr. Jeffreys to Dr. Buckland on a raised 



beach at Loch Carron. 



On the Cliffs of Northern Drift on the coast of Nor- 



folk, between Wevbourne and Happisburgh, by J. Trimmer, Esq., 



F.G.S. 

 June 26th. — On the Stonesfield Slate of the Cottswold Hills, by 



James Buckman, Esq., F.G.S. 

 On a Fossil Ray from Lebanon, and on Fossil Fish 



from the Oxford Clay, by Sir P. G. Egerton, Bart., M.P., F.G.S. 

 On certain bodies found in Ammonites, by H. E. 



Strickland, Esq., F.G.S. 

 November 6th. — On the Geology of Tuscany, by William John 



Hamilton, Esq., M.P., Sec. G.S. 

 November 20th. — On the Geology of Gibraltar, by James Smith, 



Esq., of Jordan Hill, F.G.S. 

 December 4. — Extract from a Letter from John Brown, Esq., F.G.S., 



to the President, on a Bed of Marine Shells in the Valley of the 



Colne near Colchester. 

 Remarks on the Geology of British Guiana, by the 



Chevalier Robert H. Schomburgk, Ph.D. 



Letter from W. C. Trevelyan, Esq., F.G.S., to the 



Rev. Prof. Buckland, D.D., F.G.S., on Glacial marks in Wales. 

 December 18th. — On the Pipes or Sand-galls in the Chalk and 



Chalk-rubble of Norfolk, by Joshua Trimmer, E.sq., F.G.S. 

 Some Remarks on a Boar's Head discovered in the 



Island of Portland, by the Rev. W. Buckland, D.D., Professor of 



Mineralogy and Geology in the University of Oxford, F.G.S. 

 January 8th. — On the Geology of the Eastern Frontier of the Colony 



of the Cape of Good Hope, by Andrew Geddes Bain, Esq. 

 . Description of the Fossil Skulls of three species of an 



extinct genus of Reptilia (Dicynodon), discovered by A. G. Bain, 



Esq., in the Sandstone Rocks, Algoa Bay, by Richard Owen, Esq., 



Hunterian Professor of Anatomy in the Royal College of Surgeons, 



F.G.S. 

 January 22nd. — On the Newer Coal Formation of the Eastern part 



of Nova Scotia, by J. W. Dawson, Esq. 

 On the Geological features of the Country round 



the Mines of the Taurus in the Pashalic of Diarbekr, by W. W. 



Smyth, Esq., A.B. 

 February 5 th. — On certain Raised Beaches, and the Shells found in 



them, occurring in the Coast of Essex, near Walton, by J. Brown, 



Esq., F.G.S. 



