8 
ADVERTISEMENTS. 
TABLE OF CONTENTS. 
Geology of Folkestone. By S. J. Mackie, F.G.S., F.S.A 321 
On an Ammonite with its Operculum in situ. By S. P. Woodwaed, F.G.S. 328 
On Sandpipes ia the Magnesian Limestone of Dui-ham. By J. W. Kirkby . 329 
^,fOn the Old Red Sandstone and its Fossil Fish in Forfarshire. By 
viA- W. PoWEiE, Esq 336 
On the Outlier of Upper Tertiary Ironsand on the North Downs of Kent. 
By T. Rupert Jones, F.G.S , . • . . 339 
On the Canadian Caverns. By Dr. G. D. Gibb, F.G.S. . -""^ 841 
On the Ossiferous Caverns at Oreston. By Henry C. Hodge, Esq. . . 343 
Notes and Queries 347 
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