TABLE OF CONTENTS. vii 



Page 

 Portlock, Capt., R. E. Remarks on the white limestone of Corfu and 



Vido - _ - - - - - - -87 



Rees, G. Owen, M. D. On the existence of fluoric acid in recent bones 156 

 Schomburgk, Sir Robert. Remarks on the geology of British Guiana - 298 

 Sedgwick, Rev. Prof. On the older Palaeozoic rocks of North Wales - 5 



- On the comparative classification of the fossiliferous strata of North 

 Wales with the corresponding deposits of Cumberland, Westmoreland, 



and Lancashire ---____ 442 



Simms, F. W., Esq. On the thickness of the Lower Green Sand beds of 

 the south-east coast of the Isle of Wight - - - 76 



Account of the strata observed in the excavation of the Bletchingley 



tunnel -----_-_ 90 



■ On the junction of the Lower Green Sand and the Wealden at the 



Teston cutting - - - - - - -189 



Smith, James, Esq. (of Jordan Hill). Notice concerning the Tertiary 



deposits in the South of Spain - _ 235 



On the geology of Gibraltar - 298 



Smyth, Warington, W., Esq. Geological features of the country round 



the mines of the Taurus in the pashalic of Diarbekr, described from 



observations made in the year 1 843 - 330 



Spratt, Lieut. T., R. N. Observations on the geology of the southern 



part of the gulf of Smyrna and the promontory of Karabournoo - 156 



Strickland, H. E., Esq. On certain calcareo-corneous bodies found in 



the outer chambers of ammonites - 232 



Trevelyan, W. C, Esq. On fractured boulders found at Auchmithie, 



near Arbroath (North Britain) - - - _ - 147 



Trimmer, Joshua, Esq. On the cliffs of northern drift on the coast of 



Norfolk, between Weybourne and Happisburgh - _ - 218 



On the pipes or sand-galls in the chalk and chalk-rubble of Norfolk 300 



Verneuil, M. Edouard de, and Mr. Murchison. On the Permian sys- 

 tem as developed in Russia and other parts of Europe - - - 81 



Warburton, Henry, Esq., M.P. On the occurrence of a bed of Septaria 

 containing freshwater shells in the series of plastic clay at New Cross, 

 Kent - - - - - - - - 172 



Widdrington, Capt., R. N. , and Dr. Daubeney. On the occurrence of 



Phosphorite in Estremadura - - - 52 



Williams, Rev. David. On the trap-rock of Bleadon Hill in Somersetshire 47 



On the origin of the gypseous and saliferous marls of the New Red 



Sandstone - - - - - - --148 



II. TRANSLATIONS AND NOTICES OF GEOLOGICAL 



MEMOIRS. 



Bravais, A. On the lines of ancient level of the sea in Finmark - 534 



Buch, Baron Leopold Von. On the form of granitic rocks and the struc- 

 ture of granite - - - - - - - 126 



Collegno, M. de. On the stratified rocks of the Lombardic Alps - 115 



Desha yes, M. On the fossils of the Pyrenees - - - 1 1 1 



Ehrenberg, Christian Gottfried. On the muddy deposits at the mouths 

 and deltas of various rivers in Northern Europe, and the infusorial 

 animalcules found in these deposits - - - - - 251 



Forghhammer, G. On the boulder formation and on diluvial scratches 



in Denmark and part of Sweden - 262-373 



Owen, Richard, Esq. A description of certain Belemnites preserved with 

 a great proportion of their soft parts in the Oxford clay at Christian 

 Malford, Wilts - - - • - - - - 119 



a 4 



