CONTENTS. 



PART I. 



I. An Outline of the Geology of Russia. By the Hon. William T. H. F. 



Strangways, M.G.S p. 1 



II. Remarks on the Geology of the South Coast of England, from Bridport 

 Harbour, Dorset, to Babbacomhe Bay, Devon. By H. T. De la 

 Beche, Esq. F.R.S. F.L.S. and M.G.S p. 40 



III. On the Bagshot Sand. By Henry Warhurton, Esq. F.R.S. V.P.G.S. p. 48 



IV. Supplementary Remarks on Quartz Rock. By John M'^Culloch, M.D. 



F.R.S. F.L.S. Chemist to the Ordnance; Lecturer on Chemistry at the 

 Royal Military Academy / and Geologist to the Trigonometrical Survey, p. 53 



V. Additional Remarks on Glen Tilt. By John M-^Culloch, M.D. F.R.S. 

 F.L.S. Chemist to the Ordnance; Lecturer on Chemistry at the Royal 

 Military Academy ; and Geologist to the Trigonometrical Survey. . p. 60 



VI. On the Geology of the Coast of France, and of the inland Country adjoin- 

 ing; from Fecamp, Department de la Seine Inferieure, to St. Vaast, 

 Department de la Manche. By H. T. De la Beche, Esq. F.R.S. 

 F.L.S. and M.G.S p. 73 



VII. On a Fresh-water Formation in Hordwell Cliff, Hampshire ; and on the 

 subjacent Beds, from Hordwell to Muddiford. By T. Webster, Secre- 

 tary to the Geological Society. . . . . . . . p. 90 



VIII. On the Excavation of Valleys by diluvian Action^ as illustrated by a Succes- 

 sion of Valleys which intersect the South Coast of Dorset and Devon. By 

 the Rev. William Buckland, F.R.S. F.L.S. V.P.G.S. Professor of 

 Geology and Mineralogy in the University of Oxford. . . p. 95 



IX. Additional Notices on the Fossil Genera Ichthyosaurus and Plesiosaurus. 



By the Rev. William D. Conybeare, F.R.S. M.G.S. Sfc. . . p. 103 



X. On the Valley of the Sutluj River in the Himalaya Mountains. By 



Henry Thomas Colebrooke, Esq. F.R.S. F.L.S. and V.P.G.S. . p. 124 



XI. On the Geology of the North-eastern Border of Bengal. By Henry 



Thomas Colebrooke, Esq. F.R.S. F.L.S. V.P.G.S. . . .p. 132 



Appendix — On the Banks of the Tista and Subuk Rivers. From a Notice 



by D. Scott, Esq. p. 137 



