ALPHABETICAL INDEX 



TO THE 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



The fossils referred to are described, and those of which the names are printed 

 in itahcs are also figured. 



Aberystwyth group of rocks, de- 

 scribed, 152. 



Abich, M., on Rocca Monfina, Ixxxii. 



Anglesea, direction of cleavage planes 

 in, 93. 



Anniversary Address of the President, 

 Leonard Horner, Esq., xix-xc. See 

 also Horner, Mr. 



Annual General Meeting of the Society, 

 proceedings at, i. 



Anthony, Mr., on an impression of the 

 soft parts of an Orthoceras, 255, 



Area subrostrata, n. sp., 418. 



Artemis elliptica, n. sp., 417. 



Astraea, geographical limits of, 63. 



Atherfield, Isle of Wight, Dr. Fitton on 

 a section at, 289. 



Australia, Mr. Jukes on its geology, 241. 



Avranches, depression of the land near, 

 237. 



Babbage, Mr., observations on the Tem- 

 ple of Serapis, and the causes of geo- 

 logical cycles of great extent, 186. 



Bagshot sands, Mr. Prestwich on, 378. 



Bala, lines of cleavage at, 91. 



fiarrande, M., on Silurian systemof Bo- 

 hemia, xc, 177. 



Batracholites, indicative of a small spe- 

 cies of frog. Prof. Owen on, 224. 



Peaumont,M. E. de, notice of his Lefons 

 de Geologic Pratique, xxxii. 



Bisberg iron mines, 16. 



Bischof s, Prof., Geology noticed, xxxii. 



BcEotia, Lieut. Spratt on the geology of 

 a part of Euboea and, 67. 



Bognor beds, fossils of, 366. 



Bombay, Mr. G. Clark on the neigh- 

 bourhood of, and on beds containing 

 fossil frogs, 221. 



Boue, Dr. Ami, award of Wollaston 

 medal to, xix. 



Bracklesham beds, 386; fossils of, 391. 

 See London clay. 



Breton, Cape, Mr. Brown on the gypsi- 

 ferous strata of, 257. 



, Mr. Bunbnry on fossil plants from 



the coal-field of, 423. 



VOL. III. PARTI. 



Brittany, proofs of the depression of its 

 coasts, 237. 



Brodie, Rev. P., notice on the existence 

 of Purbeck strata with remains of 

 insects and other fossils at Swindon, 

 Wilts, 33. 



Brora, Sutherlandshire, Mr. Robertson 

 on the Wealden beds of, 113. 



Brown, Mr., on the gypsiferous strata 

 at Cape Dauphin, in the island of 

 Cape Breton, 257. 



Bunbury, Mr., description of fossil 

 plants from Richmond, Virginia, 281. 



, on fossil plants from the coal for- 

 mation of Cape Breton, 423. 



Cader Idris, section through the chain 

 of, 146. 



Calamites, vertical, in Virginia coal- 

 field, 262. 



Calcaire grossier, compared with Lon- 

 don clay, 355. 



Calf of Man, Rev. J. Gumming on the 

 geology of the, 179. 



Cambrian system. Prof. Sedgwick on 

 the meaning of the term, 159 ; Sir 

 R. Murchison on its original meaning, 

 165. 



Cambrian series, comparison of, in Wales 

 and Westmoreland, 156. 



Cancellaria decussata, n. sp., 421. 



Cardiganshire, direction of cleavage 

 planes in, 94. 



Cardium pholadiforme, n. sp., 417. 



latisulcatum, n. sp., 417. 



Carnarvonshire, area of elevation in, 90. 



, sections in, 136, 148. 



Caspian Sea, remarks on the geology of 

 its vicinity, 1 23. 



Catopterus macrurus, characters of, 

 276. 



Cephalonia, Mr. Hamilton and Mr. 

 Strickland on the geology of part 

 of, 106. 



, Mr. Strickland's description of 



fossils from, 112. 



Charcoal, structure q/'mineral, 268, 269. 



Chimaeroid fishes, Sir P. G. Egerton on 

 2 H 



