INDEX TO THE PROCEEDINGS. 



Crag, red, Mr. T. R. Thomson on the 

 position in which shells are found in 

 the, .353. 



Cretaceous system of the Alps, 183 ; of 

 Austrian Alps, 214; of the Carpa- 

 thians, 258; of Italy, 272 ; of Asia 

 Minor, 370. 



Crocodihis basifissus, 381. 



basitriincatus, 381. 



Cumberland, Mr. Sharpe on the areas 

 of elevation in, 120. 



Cumberland, Mr. G., notice of, xx. 



Cyathopora 1 elegans, 83. 



Darwin, Mr., on transportal of erratic 

 boulders, notice of, xxviii. 



Davidson, Mr., on Silurian Brachiopods 

 of England, cvi. 



Davis, Major, on Souifriere of St. Vin- 

 cent, 53 ; notice of, xxvii. 



Dawes, Mr. J. S., on the structure of 

 the Calamite, 30 ; on Halonia, no- 

 ticed, xxxiii. 



Dawson, Mr. J. W., on colouring mat- 

 ter of red sandstones, 25 ; notice of, 

 xxvi, xxxiii. 



, on the gvpsuni of Plaister Cove, 



335. 



De la Beche, Sir H. T. (President), An- 

 niversary Address, xix. Notices of 

 deceased Fellows : Mr. Hailstone, xix; 

 Mr. G. Cumberland, xx ; Dr. S. Hib- 

 bert Ware, xxi ; Sir T. Dick Lauder, 

 xxii; Mr. E. T. Artis, xxii ; Baron 

 Berzelius, xxiii. Geological Society 

 of London ; communications to, in 

 1848: Mr. Dawson on the colouring 

 matter of red sandstones, xxvi, xxxiii; 

 Major Davis on Souffriere of St. Vin- 

 cent, xxvii ; ]\Ir. Darwin on trans- 

 portal of erratic boulders, xxviii ; Mr. 

 Smith on scratched boulders, xxx ; 

 Mr. Nicol on recent formations near 

 Edinburgh, xxxii ; Mr. Dawes on 

 Halonia, xxxiii ; Sir P. Egerton's 

 Palichthyologic Notes, xxxiv ; Mr. 

 Hall on supposed soft parts of an 

 Orthoceras, xxxv ; Prof. Ramsay and 

 Mr. Aveline on North Wales, xxxv ; 

 Mr. Salter on fossils of the Wenlock 

 shales, xxxvi ; Dr. Mantell on the 

 Wealden,xxxvi ; Mr. Lonsdale on fos- 

 sil zoophytes, xxxviii ; Mr. Bunbnry 

 on the anthracite formation of the Sa- 

 voy Alps, xxxviii; Mr. Sharpe on Si- 

 lurian fossils near Oporto, xliii ; Prof. 

 Owen on saurians from the grcensand 

 of New Jersey, xliii ; Sir P. Egerton 

 on Platysomus, xliv ; Mr. Morris on 

 Neritoma, xlv ; Mr. Ormerod on the 

 salt-field of Cheshire, xlv ; Prof. 

 Ramsay on Wales, xlviii; Mr. B. Jukes 



and Mr. A. Selwin on North Wales, 

 xlix ; Prof. Naumann on the Permian 

 rocks of Saxony, li ; Mr. Moore on the 

 Silurian rocks of Wigtownshire, liii ; 

 Dr. Gesner on the gypsum of Nova 

 Scotia, liv ; Mr. Weston on Ridgway, 

 liv ; Mr. Prestwich on the section 

 from Christchurch Harbour to Poole 

 Harbour, Ivi ; Mr. Sharpe on the 

 geology of Oporto, Ivii ; Sir R. Mur- 

 chison on the geological structure of 

 the Alps, Apennines, and Carpathians, 

 lix ; Mr. Weston on faults at Ridg- 

 way, Ixvi ; Mr. Ormerod on move- 

 ments of the rocks in Cheshire, Ixvii ; 

 Prof. Ramsay and Mr. Aveline on 

 ancient disturbances of the strata in 

 Wales, Ixvii ; Prof. H. Rogers on the 

 structure of the Appalachians, Ixviii ; 

 Sir R. Murchison on changes of leve. 

 and faults in the Alps, Ixxiii ; Mr. 

 Sharpe on slaty cleavage, Ixxiv ; 

 Prof. Rogers on cleavage, Ixxvii ; Mr. 

 Bowerbank on a siliceous zoophyte, 

 Ixxviii ; Mr. Austen on the occur- 

 rence of phosphate of lime, Ixxxii ; 

 Mr. Nesbit on phosphoric acid in 

 rocks, Ix xxiii ; Mr. Wiggins on fossil 

 bones from the Crag, Ixxxiii ; Mr. 

 Farrer on Ingleborough Cave, Ixxxiv ; 

 Mr. Saull on causes of the change of 

 temperature, Ixxxiv ; Sir John Lub- 

 bock on changes in the earth's axis of 

 rotation, Ixxxv. Geological Society of 

 Dublin: Mr. Mallet on changes in the 

 structure of recent shells, Ixxxix ; on 

 geological sections, xc ; Mr. M'Adam 

 on cuttings in the Belfast and Bal- 

 lymene railway, xc ; Prof. Oldham 

 on the drift in Wicklow, xc ; Prof. 

 Forbes on Oldhamia, xc. Geological 

 Society of Cornwall : Mr. Pattison on 

 the coast of Cornwall, xc; Mr. Tweedy 

 on the rocks of Towan Head, xci ; 

 Mr. Peach on fossils from the south- 

 east coast of Cornwall, xci ; Mr. Pat- 

 tison on Devonian strata near Laun- 

 ceston, xci ; Rev. D. Williams on vol- 

 canic interferences coincident with 

 the old red sandstone, xcii ; Mr. Ed- 

 monds on land shells below sand-hil- 

 locks on the coast of Cornwall, xcii ; 

 Mr. Garby, list of Cornish minerals, 

 xciii. Geological Society of Man- 

 chester, communications to, xciii. 

 Palceontological Society, publications 

 of, xciii. Geological Sur:;ey of the 

 United Kingdom, progress of, xciii. 

 Museum of Practical Geology, London, 

 xciv. Geological Society of France : 

 M. Frapolli on gypsum, dolomite and 



