INDEX TO THE PROCEEDINGS. 



Dinornis robustus, feet of, noticed by 

 Dr. Mantell, 338. 



Dislocations at Blackheath, Rev. H. M. 

 De la Condamine on the, 441. 



and lateral movements of the Alps, 



noticed, Ivii. 



Distribution of materials in the valley 

 of the English Channel, 76. 



Disturbance, lines of, in Italy, noticed 

 by Sir R. I. Murchison, 378. 



Dixon, Mr. F., notice of, xxxi. 



Dolomite and gypsum of the Alps, no- 

 ticed, xlix. 



Donations to the Society, from Feb. 16, 



1849, to Feb. 15, 1850, xii ; from 

 July 1, 1849, to Oct. 31, 1849, 98; 

 from Nov. 1, 1849, to Dec. 31, 1849, 

 205 ; from Jan. 1, 1850, to March 31, 



1850, 344; from April 1, 1850, to 

 June 30, 1850, 479. 



Echinidae, Portuguese fossil, description 



of, 195. 

 Echinopsist suhuculus, 196. 

 Echinus Olisiponensis, 195. 

 Effects of expansion and contraction on 



the strata of the Alps, noticed, 1. 

 Egerton, Sir P. G., on the Ganoidei He- 



terocerci, 1. 

 English Channel, age of the valley of 



the, 87. 

 , Mr. R. A. C. Austen on the 



valley of the, 69. 

 , distribution of materials in 



the valley of the, 76. 

 Eocene iron ore, Mr. A. Tylor on, 133. 

 Equisetum Brodiei, 414. 

 Erratics of the Alps, noticed, Ixii. 

 Erzeroom, notice of the occurrence of 



coal near, 367. 



Eschara , 329. 



Etna, noticed by Sir C. Lyell, 227. 

 Eurynotus, Sir P. G. Egerton on the 



genus, 2. 

 Exogyra Olisiponensis, 185. 



plicata, 184. 



Extent of the post-eocene seas, noticed, 



xxxix. 

 Ezquerra del Bayo, Don J., on the geo- 

 logy of Spain, 406. 

 Farringdon, Mr. R. A. C. Austen on the 



fossiliferous sands and gravels of, 455. 

 Fasciolaria intermedia, 4^2. 



semistriata, 49. 



Fletcher, Mr. T. W., on the Dudley Tri- 



lobites. Part 1. 235 ; Part II. 402. 

 Flysch, Sir R. I. Murchison on the, 



noticed, xxxvii. 

 Folded strata of the Alps, noticed, xli. 

 Forbes, Prof. E., on the fossiliferous de- 

 posits in the Middle Island of New 



Zealand, 343. 



Formation of granitic and mineral veins 



in modern times, noticed, Ix. 

 Fusus Haitensis, 49. 



Henikeri, 49. 



Gabbro rosso, noticed by Sir R. I. Mur- 

 chison, 374. 



Ganoidei Heterocerci, Sir P. G. Egerton 

 on the, 1. 



Gervillia Fittoni, 186. 



Sohralensis, 186. 



Glacial theory, noticed, Ixv. 



Glaciers and icebergs, noticed, Ixii. 



Glarus slates and Monte Bolca lime- 

 stone, noticed, xxxvii. 



Gradual subsidence of sea-bottoms, no 

 ticed, liii. 



Granite, crystallization of, noticed, li ; 

 formation of modern veins of, no- 

 ticed, Ix. 



Granitic rocks of the Alps, noticed, xl; 

 age of, noticed, lix. 



Graptolites convolutus, 64. 



Griestoniensis, 63. 



laxus, 64. 



Ludensis, 64. 



Great length of time required for denu- 

 dation and oscillation of lands, Iv. 



Greensand, at Devizes, noticed by Mr. 

 R. A. C. Austen, 468. 



, lower, at Seend, noticed by Mr. 



W. Cunnington, 453. 



Gypsum and dolomite of the Alps, no- 

 ticed, xlix. 



Gyrolepis, Sir P. G. Egerton on the ge- 

 nus, 8. 



Hamilton, Mr. W. J., on the occurrence 

 of a freshwater marl in the fens of 

 Cambridgeshire, 451. 



Harkness, Mr. R., on the new red sand- 

 stone of the southern part of the Vale 

 of the Nith, 389. 



Hippurite limestone of Portugal, Mr. D. 

 Sharpe on the, 139. 



Hippurifesl , 415. 



Hopkins, Mr. E.,on the crystalline rocks 

 of the Andes and their cleavage planes, 

 365. 



Hopkins, Mr. W., award of the Wol- 

 laston medal to, xxiii ; reply on 

 receiving it, xxv ; on the elevation 

 and denudation of the Lake district, 

 Ixiii. 



Horner, Mr. L., on sculptured marks on 

 rocks in the Nile valley, 384. 



Icebergs and glaciers, noticed, Ixii, 



Improbability of the occurrence of cata- 

 clysmal waves, noticed, Ixiv. 



Inferior oolite. Rev. P. B. Brodie on cer- 

 tain beds of the, 239. 



Iron ore, eocene, noticed by Mr. A. Ty- 

 lor, 133. 



