200 
May Sth.—On casts or impressions of Vermiform bodies on thin 
Flag-stones, belonging to the Carboniferous series near Halt- 
whistle in Northumberland, by G. C. Atkinson, Esq. 
On the London and Plastic Clays of the Isle of Wight, 
by J. S. Bowerbank, Esq. F.G.S. 
On the relative ages of the Tertiary deposits, commonly 
called Crag, in Norfolk and Suffolk, by Charles Lyell, Esq. 
V.P.G.S. 
May 22nd.—On the Wells formed by digging and boring in the 
Gravel and London Clay in Essex, and on the Geological Phzeno- 
mena disclosed by them, by James Mitchell, LL.D. F.G.S. 
On Outbursts of Water from the Chalk, by James Mitchell, 
LL.D. F.G.S. 
Notice on the discovery of the Remains of Insects, and a 
new Genus of Isopods, in the Wealden Formation, in the Vale of 
Wardour, by the Rev. P. B. Brodie, F.G.S. 
Observations respecting the Geological Relations of the 
several rocks of the South of Ireland, in a letter addressed to the 
Rev. Dr. Buckland, Pres. G.S. by Richard Griffith, Esq. F.G.S. 
and Pres. G.S. of Dublin. 
June 5th.—On remains of the Mammoth dredged up in the English 
Channel and German Ocean, by Capt. J. B. Martin, of Ramsgate. 
A description of five Fossil Trees found in the excava- 
tions for the Manchester and Bolton Railway, by J. Hawkshaw, 
Esq. F.G.S. 
—_—— A Notice of some Organic bodies recently procured from 
the London Clay, by N. T. Wetherell, Esq. F.G.S. 
On the relations of the different parts of the Old Red 
Sandstone, in the Counties of Moiray, Nairn, Banff and Inverness, 
by John Malcolmson, Esq. F.G.S. 
November 6th. A Notice of Showers of Ashes, which fell on 
Board the Roxburgh, off the Cape de Verd Islands, in February 
1839, by the Rev. W. B. Clarke, F.G.S. 
—_——_— A Letter from Alex. Caldcleugh, Esq. F.G.S. dated 
Santiago de Chili, 18th of February, 1839, containing the decla- 
ration of the Master and part of the Crew of the Chilian brig 
Thily, of the discovery during the evening of the 12th of Febru- 
ary of three volcanic Islands, about thirty leagues to the east of 
Juan Fernandez. 
———— A Letter addressed to Charles Lyell, Esq. V.P.G.S. 
by John Buddle, Esq. of Newcastle, On depressions produced in 
the surface of the ground, by the excavation of beds of Coal. 
On the relative ages of the Tertiary and Post-Ter- 
tiary deposits of the basin of the Clyde, by James Smith, Esq., of 
Jordan Hill, F.G.S. 
——— On the noxious Gases emitted from the Chalk and 
overlying strata in sinking Wells near London, by James Mitchell, 
LL.D. F.G.S. 
November 20th.—An extract from a Letter addressed to Dr. An- 
drew Smith, by A. G. Bain, Esq., dated Graham Town, Cape of 
