﻿TABLE OF CONTENTS. 



Original Communications. 



Page 



Argyll, The Duke of. On Tertiary Leaf-beds in the Isle of Mull. . 89 



Austen, R. A. C, Esq. On the Superficial Accumulations of the 

 Coasts of the English Channel, and the Changes they indicate. ... 118 



. On the Gravel Beds of the Valley of the Wey 278 



Beckles, L. II., Esq. On supposed Casts of the Imprints of Birds' 

 Feet in the Wealden 117 



Bigsby, Dr. J. J. On the Erratics of Canada 215 



Brickenden, Capt. R. L. On the Occurrence of the Boulder Clay 

 in the Limestone Quarry, Linksfield, Elgin P a g e 38 & 289 



Brodie, Rev. P. B. On the Basement Beds of the Inferior Oolite in 

 Gloucestershire 208 



Bunbury, C. J. F., Esq. On some Fossil Plants from the Jurassic 

 Strata of the Yorkshire Coast 179 



Catullo, Prof. T. A. On the Epiolitic Rocks of the Venetian Alps 66 



Cleghorn, J., Esq. On the Till of Caithness 200 



Dawes, J. S., Esq. Further Remarks upon the Calamite 196 



Dawson, J. W., Esq. Notice of the occurrence of Upright Calamites 

 near Pictou, Nova Scotia 194 



Delesse, Prof. A. On the Porphyry of Belgium 6 



, On the Rose-coloured Syenite of Egypt 9 



Egerton, Sir P. de M. G. Description of the Specimens of the 

 Fossil Fish from the Deccan, India 273 



Forbes, Prof. E. Note on the Vegetable Remains from Ardtun Head. 103 



. On the Estuary Beds and the Oxford Clay at Loch Staffin . . 104 



Harkness, R., Esq. On the Silurian Rocks of Dumfriesshire and 

 Kirkcudbrightshire 46 



. Description of the Graptolites of Dumfriesshire. . 58 



Loftus, W. K., Esq. On the Geological Structure of the Mountain 

 Range of Western Persia 263 



Logan, J. R., Esq. On the Geology of Singapore 310 



Logan, W. E., Esq. On the Occurrence of a Track and Foot-prints 

 of an Animal in the Potsdam Sandstone of Lower Canada 247 



Lonsdale, "W., Esq. Memorandum respecting Choristopetalum im- 

 par and Cyathophora? elegans 113 



Lyell, Sir C. On Fossil Rain-marks of the Recent, Triassic, and 

 Carboniferous Periods 238 



Mackie, S. J., Esq. On a Deposit at Folkestone containing Bones 

 of Mammalia 257 



