and Middle Lias in Gloucestershire, by Ralph Tate, Esq., A.L.S., F.G.S.
March 23rd. — Geological Observations on the Waipara Biver, New Zealand, by T. H. Cockburn Hood, Esq., F.G.S.
— On the Fall of an Aerolite in Fezzan, by M. Coumbary ; communicated by R. H. Scott, Esq., F.G.S.
April 13th. — On Australian Fossil Mammals, by Dr. Gerard Krefft ; communicated by H. M. Jenkins, Esq., F.G.S.
— On Fossil Remains of Mammals found in China, by Prof. Owen, LL.D., F.R.S., F.G.S.
— . Further Discovery of the Fossil Elephants of Malta, by Dr. A. A. Caruana; communicated by Dr. A. Leith Adams, F.G.S.
April 27th. — On the Species of Rhinoceros whose Remains were discovered in a Fissure-cavern at Oreston in 1816, by G. Busk, Esq., F.R.S., F.G.S.
— On two Gneissoid Series in Nova Scotia and New Brunswick, supposed to be the equivalents of the Huronian (Cambrian) and Laurentian, by H. Youle Hind, Esq., M.A. ; communicated by Prof. Ramsay, F.R.S., F.G.S.
May 11th. — Notes on some Specimens of Lower-Silurian Trilobites, by E. Billings, Esq., F.G.S.
— Note on the Palpus and other Appendages of Asaphus from the Trenton Limestone, in the British Museum, by H. Woodward, Esq., F.G.S.
— On the Structure and Affinities of Sigillaria, Calamites, and Calamodendron, by J. W. Dawson, LL.D., F.R.S., F.G.S.
— Notes on the Geology of Arisaig, Nova Scotia, by the Rev. D. Honeyman, D.C.L., F.G.S.
May 25th. — Contributions to a Knowledge of the Newer Tertiaries of Suffolk and their Fauna, by E. Eay Lankester, Esq. ,B.A. ; communicated by Prof. Huxley, F.R.S., F.G.S.
— Notes on an Ancient Boulder-clay of Natal, by Dr. Sutherland ; communicated by Prof. Ramsay, F.R.S., F.G.S.
— On the Distribution of Wastdale-Crag Blocks, " Shap-Fell Granite Boulders," in Westmoreland, by Professor Robert Harkness, F.R.S., F.G.S.
June 8th.— On the Superficial Deposits of the South of Hampshire and the Isle of Wight, by Thomas Codrington, Esq., F.G.S.
— On the Relative Position of the Forest-bed and the Chillesford Clay in Norfolk and Suffolk, and on the Real Position of the Forest-bed, by the Rev. John Gunn, M.A., F.G.S.
— On a new Labyrinthodont Amphibian from the Magnesian Limestone of Midderidge, Durham, by Albany Hancock, Esq., F.L.S., and Richard Howse, Esq. ; communicated by Prof. Huxley, F.R.S., F.G.S.
— On Proterosaurus Speneri, Von Meyer, and a new species, Proterosaurus Huxleyi, from the Marl-slate of Midderidge, Durham, by Albany Hancock, Esq., F.L.S., and Richard Howse, Esq.; communicated by Prof. Huxley, F.R.S., F.G.S.
