52 
May 9th.—On the distribution of Organic Remains in the Strata of 
the Yorkshire Coast ; by W. C. Williamson, Esq., Curator of the 
Manchester Natural History Society. 
—On the State in which Animal Matter is usually found 
in Fossils; by Mr. Alfred Smee, Student of King’s College, Lon- 
don, and communicated by Professor Royle, M.D. F.G.S. 
May 28rd.—A Synopsis of the English Series of Stratified Rocks, 
inferior to the Old Red Sandstone, with an attempt to determine 
the successive natural Groups and Formations ; by the Rev. Adam 
Sedgewick, V.P.G.S., Woodwardian Professor in the University 
of Cambridge. (commenced March 21st.) 
June 6th.—On Spiriolinites in Chalk and Chalk Flints; by the 
Marquis of Northampton, F.G.S. 
—_— A Note to accompany Specimens of Quicksilver Ore, 
from the Mine San Onofre, near the town of El Doctor, Mexico; 
by John Taylor, Esq. Treas. G.S. 
Extract from a letter to John Taylor, Esq., Treas. 
G.S.; by Mr. Frederick Edmonds, explanatory of some Speci- 
mens of Obsidian, from the town of Real del Monte, Mexico. 
— Notice of a Specimen of the Ower’s Rock, nine miles 
south of Little Hampton, Sussex ; by Roderick Impey Murchison, 
Esq. V.P.G.S. 
——_—— On the discovery of Fossil Fishes in the Bagshot Sand 
at Goldsworth Hill, four miles south of Guildford; by the Rey. 
Professor Buckland, D.D. F.G.S. 
——-—On the Discovery of a Fossil Wing of a Neuropterous 
Insect in the Stonesfield Slate ; by the Rev. Professor Buckland, 
D.D. F.G.S. 
—_———— On some Species of Orthocerata; by Charles Stokes, 
Esq. F.G.S. 
November 7th.—A Description of some Fossil Remains of Palzo- 
therium, Anoplotherium, and Cheropotamus, found in the Isle of 
Wight; by Richard Owen, Esq. F.G.S., Hunterian Professor in 
the Royal College of Surgeons. 
—_—_——_ On the Drift from the Chalk and the Strata be- 
low the Chalk, in the counties of Norfolk, Suffolk, Essex, Cam- 
bridge, Huntingdon, Bedford, Hereford and Middlesex ; by James 
Mitchell, Esq. LL.D. F.G.S. 
November 2lst.—On Two Jaws of the Thylacotherium Prevostit 
(Valenciennes) ; by Richard Owen, Esq. F.G.S., Hunterian Pro- 
fessor in the Royal College of Surgeons. 
A Notice on the Formation of Mineral Veins by 
Voltaic Agency; by R. W. Fox, Esq. 
An Extract from a Letter addressed by Captain 
Alexander, of the Royal Staff Corps, to the Secretary, on the dis- 
covery of two Mastodon Teeth, near Southwold. 
December 5th.—A Notice on the Trap Rocks of Fifeshire ; by the 
Rev. John Fleming, D.D. 
An Account of the footsteps of the Chirotherium, 
and five or six other unknown animals, lately discovered in the 
