1868.
November 25th. — Description of Nga. Tutura, an extinct Volcano in New Zealand, by Capt. F. W. Hutton, F.G.S.
— On Dakosaurus, by J. Wood Mason, Esq., F.G.S.
—On the Anatomy of the Test of Amphidetus (Echinocardium) Virginianus, Forbes, and on the Genus Breynia, by P. Martin Duncan, M.B., F.R.S., Sec. G.S.
December 9th. — Note on a Geological Reconnaissance made in Arabia Petraea in the Spring of 1868, by H. Bauerman, Esq., F.G.S.
—On the Occurrence of Celestine in the Nummulitic Limestone of Egypt, by H. Bauerman, Esq., F.G.S., and C. Le Neve Poster, D.Sc, B.A., F.G.S.
—Note on the Echinodermata, Bivalve Mollusca, Rocks of Sinai, by Dr. P. Martin Duncan, F.R.S., Sec. G.S.
—On the Existence during the Quaternary Period of a Glacier of the Second Order occupying the " Cirque " of the Valley of Palheres, in the Western part of the Granitic "Massif" of the Lozere, by M. Charles Martins, For. Corr. G.S.
December 23rd. — On the so-called " Eozoonal" Rock, by Prof. W. King and Dr. T. H. Rowney ; communicated by Sir R. I. Murchison, Bart., K.C.B., F.R.S. V.P.G.S.
—Notes on the Geology of China, with more especial reference to the provinces of the Lower Yungtsi, by Thomas W. Kingsmill, Esq. ; communicated by the President.
1869.
January 13th. — On Hyperodapedon, by Prof. T. H. Huxley, LL.D., F.R.S., Pres. G.S.
—On the Locality of a new Specimen of Hyperodapedon on the South Coast of Devon, by W. Whitaker, Esq., F.G.S.
January 27th. — Notes on Graptolites and allied Fossils occurring in Ireland, by W. H. Baily, Esq., F.G.S.
—Notice of Plant-remains from beds interstratified with the Basalt in the County of Antrim, by W. H. Baily, Esq., F.G.S.
—Remarks upon the Basalt Dykes of the Mainland of India opposite to the Islands of Bombay and Salsette, by G. T. Clark, Esq., F.G.S.
—On Auriferous Rocks in South-eastern Africa, by Dr. Sutherland ; communicated by Sir R. I. Murchison, Bart., K.C.B., F.R.S., V.P.G.S.
February 10th. — On the Evidence of a Ridge of Lower Carboniferous Rocks crossing the Plain of Cheshire beneath the Trias, and forming the Boundary between the Permian Rocks of the Lancashire type on the North, and those of the Salopian type on the South, by Edward Hull, Esq., M.A., F.R.S., F.G.S.
—On the Red Chalk of Hunstanton, by the Rev. T. Wiltshire, M.A., F.L.S., F.G.S.
