ALPHABETICAL INDEX 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



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

 italics are also figured.] 



Actinocychis , 332. 



Age of the granitic rocks of the Alps, 

 noticed, lix. 



Age of the upper tertiaries in England, 

 Mr. S. V. Wood on the, 201. 



Age of the valley of the English Chan- 

 nel, Mr. R. A. C. Austen on the, 87. 



Alps, age of the granitic rocks of the, 

 noticed, lix ; and Pyrenees, volcanic 

 rocks of the, noticed, xlviii ; Apen- 

 nines and Carpathians, Sir R. I. Mur- 

 chison on the structure of the, noticed, 

 xxxiv ; date of the upheaval of the, 

 noticed, xxxviii ; dislocations and la- 

 teral movements of the, noticed, Ivii ; 

 dolomites and gypsum of the, noticed, 

 xlix ; effects of expansion and con- 

 traction on the strata of the, noticed, 1 ; 

 erratics of the, noticed, Ixii ; folded 

 strata of the, noticed, xli ; granitic 

 rocks of the, noticed, xl ; relation be- 

 tv7een the strike of the strata and the 

 axis of the, noticed, xlix ; Sir R. L 

 Murchison on the detritus of the, 65 ; 

 stratified formations of the Venetian, 

 422. 



Amblypterus, Sir P. G. Egerton on the 

 genus, 1. 



Portlocki, 2. 



Ammonites Reginaldi, 31G. 



Andes, Mr. E, Hopkins on the crystal- 

 line rocks of the, 365. 



, section of the, 366. 



Anniversary Address of the President, 

 Sir C. Lyell, xxvii-lxvi. See also 

 Lyell, Sir C. 



Annual General Meeting of the Society, 

 proceedings at, i. 



Area patricia, 52. 



consohrina, 52. 



— — Olisiponensis, 176. 



— — suhtetragona, 318. 



Artemis cor data, 177. 



elegantula, 111. 



inelegans, 177. 



Astartel discus, 177. 



VOL. VI. 



Astarte caj-ivata, 317. 



Auckland, the Earl of, notice of, xxviii. 



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



the English Channel, 69. 

 , on the age and position of the 



fossiliferous sands and gravels of Far- 



ringdon, 455. 

 Avicula Olisiponensis, 178. 

 Basement-bed of the London clay, Mr. 



J. Prestwich, jun,, on the, 255. 

 , table of the distribution of fossils 



in the, 279. 

 Bath, Mr. C. H. Weston on the diluvia 



and valleys near, 449. 

 Biaritz shells, noticed, xxxv.^ 

 Binney, Mr. E. W., on Sigillaria and 



some spores found imbedded in the 



inside of its roots, 17. 

 Blackheath, tertiary strata and their dis- 

 locations in the neighbourhood of, 



441. 

 Boue, M,, on nummulitic rocks, noticed, 



xxxv. 

 Brentford, mammalian remains at, 201. 

 Brissus scutiger, 198. 



subdepressus, 198. 



Brodie, Rev. P. B., on certain beds in 



the inferior oolite near Cheltenham, 



239. 

 Brongniart, M. Alex., on the eocene 



shells of the Diablerets, noticed, xxxv. 

 Brown, Mr. R., on the section of the 



lower coal-measures of the Sydney 



coal-field in the island of C^pe Bre- 

 ton, 115. 

 Buckingham, section of railway cutting 



at, 135. 

 Buckman, Prof J., on some fossil plants 



from the lower lias, 413. 

 Bulla granosa, 51. 



paupercula, 52. 



Cambridgeshire, freshwater marl in the 



fens of, 451- 

 Cantal and Mont Dor, noticed by Sir C. 



Lyell, 234. 

 Cape Breton, lower coal-measures of the 



