iv TABLE OF CONTENTS. 



Page 

 MuRCHisoN, Sir R. I. On the Meaning of the term " Silurian 

 System" as adopted by Geologists in various countries during the 



last ten years 173 



Neale, Mr. A. Notice of Fossil Bones at Portland 109 



Nelson, Capt. R. J. On the Geology of the Bahamas, and on Coral 



Formations generally. (Deferred.) 381 



NicoL, Prof. James. On the Geology of the Southern portion of 



the Peninsula of Cantyre, Argyllshire 406 



Notice of the Occurrence of an Earthquake in Chili 1 



Owen, Prof. Description of the Impressions and Foot-prints of the 



Protichnites from the Potsdam Sandstone of Canada 214 



Pratt, S. P., Esq. On the Geology of Catalonia 268 



Prestwich, J. jun., Esq. On some of the EflFects of the Holm- 

 firth Flood 225 



. On the Structure of the Strata between the London Clay 



and the Chalk of the London and Hampshire Tertiary Systems. 



Part in. The Thanet Sands 235 



Ramsay, Prof. A. C. On the Superficial Accumulations and Sur- 

 face-markings of North Wales 371 



Rawlinson, R., Esq. On Foot-tracks found in the New Red 



Sandstone at Lymm, Cheshire. (Deferred.) 426 



Salter, J. W., Esq. Description of some Graptolites from the 



South of Scotland 388 



■ . Desci^iption oi the Pter'^gotus problematicus, Agass 386 



Sedgwick, The Rev. Prof. On the Classification and Nomencla- 

 ture of the Lower Palaeozoic Rocks of England and Wales 136 



. On the Lower Palaeozoic Rocks at the Base of the Carboni- 

 ferous Chain between Ravenstonedale and Ribblesdale 35 



. On the Slate Rocks of Devon and Cornwall 1 



Sharpe, D., Esq. Comparison of the Devonian Series of Belgium 



and England. (Deferred.) 425 



. On the " Quartz Rock " of MaccuUoch's Map of Scotland... 120 



. On the Southern Border of the Highlands of Scotland 126 



Strickland, H. E., Esq. On a Protruded Mass of Upper Ludlow 



Rock at Hagley Park, Herefordshire 381 



Trimmer, J., Esq. On the Origin of the Soils which cover the 



Chalk of Kent. Part II 273 



Weston, C. H., Esq. On the Subescarpments of the Ridgway 

 Range, and their Contemporaneous Deposits in the Isle of Port- 

 land 110 



Annual Report i 



Anniversary Address xxi 



Donations to the Library pages 93, 169, 377> 427 



