51 



November 16th. — Oli Pipes or Sand Galls in Chalk, by Joshua Trim- 

 mer, Esq., F.G.S. 



. On some remarkable Concretions in the Tertiary 



Beds of the Isle of Man, by H. E. Strickland, Esq., F.G.S. 



November 30th. — On the ]3ala Limestone, by Daniel Sharpe, Esq., 

 F.G.S. 



• On certain Impressions on the Surface of the Lias 



Bone-Bed in Gloucestershire, by H. E. Strickland, Esq., F.G.S. 

 Notice on the discovery of the Remains of Insects 



in the Lias of Gloucestershire, by the Rev. P. B. Brodie, F.G.S. 



Dec. 14th. — On the Ridges, Elevated Beaches, Inland Cliff, and 

 Boulder Formations of the Canadian Lakes and Valley of St. Law- 

 rence ; with additional Remarks on the Recession of the Falls of 

 Niagara, by Charles Lyell, Esq., V.P.G.S. 



Jan. ^th, 184<3. — Notice on a Suite of Specimens of Ornithoidicnites, 

 or Foot-prints of Birds, on the New Red Sandstone of Connecti- 

 cut, by G. A. Mantell, LL.D., P\G.S. 



Exti'act from a letter from W. C. Redfield, Esq., to 



Charles Lyell, Esq., on newly discovered Ichthyolites in the New 

 Red Sandstone of New Jersey. 



Letter from Dr. Nicholson of Sydney, on Fossil 



Bones recently discovered at Moreton Bay. 



Extract from a letter from His Excellency Geoi'ge 



Gray, Esq., to Charles Lyell, Esq., on the Geology of the Country 

 lying between the Eastern Shore of St Vincent's Gulf and Lake 

 Alexandrina. 



Jan. 18th. — On the Silurian Rocks of the South of Westmoreland 

 and North of Lancashire, by Danial Shai'pe, Esq., F.G.S. 



On the Stratified Rocks of 15erwickshire, and their 



imbedded Organic Remains, by William Stevenson, Esq. Com- 

 municated by the President. 



Notice on the Fossilized Remains of the soft parts of 



Mollusca, by G. A. Mantell, LL.D., F.G.S. 



Description of three Fossil Fruits from the Chalk 



formation of the S.E. of England, by G. A. Mantell, LL.D., 

 F.G.S. 



Feb. 1st. — On the Tertiary Strata of the Island of Martha's Vine- 

 yard in Massachusetts, by Charles Lyell, Esq., V.P.G.S. 



Letter from J. Hamilton Couper, Esq., to Charles 



Lyell, Esq., on Fossil bones found in digging the New Brunswick 

 Canal in Georgia. 



On the Geological position of the Mastodon gigan- 



teum, and associated fossil remains at Big-Bone Lick, Kentucky, 

 by Charles Lyell, Esq., V.P.G.S. 



VOL. IV. PART I. 



