ALPHABETICAL INDEX 
TO 
PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 
The fossils referred to are described, and those of which the names are printed 
in italics are also figured. 
Agassiz, Prof., Sir P. Egerton’s Palich- 
thyologic Notes supplemental to the 
Works of, 302. 
Agate quarries of Oberstein, Mr. Ha- 
milton on, 209. 
Agates, Mr. Hamilton on their forma- 
tion, 213; on a means of changing 
their colours, 214. 
Alabama, Mr. Lyell on the age of the 
nummulite limestone of, 10. 
Alabaster of Egypt, 332. 
Allman, Prof., on erratic blocks of 
greenstone, lxxiii. 
America, North, Mr. Sharpe on the pa- 
lzozoic formations of, 145; M. de 
Verneuil on, cii; classification of the 
palzozoic rocks, 148. 
Anning, Mary, notice of, xxiv. 
Anniversary Address of the President, 
Sir H. T. De la Beche, xvii-cxx. See 
also De la Beche, Sir H. 
Annual General Meeting of the Society, 
proceedings at, i. 
Ansted’s, Prof., Ancient World noticed, 
1xxxii. 
Anthracotherioid quadrupeds, Prof. 
Owen’s description of, from the Isle 
of Wight, 103. 
Anthracotherium, characters of the ge- 
nus, 109. 
Apjohn, Dr., on hyalite, lxxii. 
Aptornis, Dr. Mantell on, 233. 
Austen, Mr. R. A. C., on the position 
in the cretaceous series of beds con- 
taining phosphate of lime, 257. 
Austin, Mr. T., observations on the 
Cystidea, 291. 
Australia, Mr. B. Jukes on the geology 
of, 142. 
—-, Western, Messrs. Gregory’s map 
of, 142. 
Aveline, Mr., and Prof. Ramsay on the 
structure of Wales, 294. 
Avicula Boydii, 171. 
nayiformis, 172. 
quadrula, 172. 
VOL. IV. 
Barbadoes, Prof. Ehrenberg on fossil 
infusoria from, cxiii. 
Belcher, SirE., Voyage of the Samarang 
noticed, xcvi. ; 
Bellot, Mr., on the discovery of coal in 
Labuan, 50. 
Blomidon, Cape, in Nova Scotia, notice 
of, 55. 
Bohemia, Sir R. Murchison on, cix. 
Bone-cells, average dimensions of, 9. 
Bones, Mr. Bowerbank on the micro- 
scopical structure of, 2. 
Borneo, coal found in, xcvii. 
Bos primigenius, teeth of, 44. 
Boué, Dr. A., on the geology of S.-E. 
Europe, 10. 
Boulders, erratic, Mr. Hopkins on, 88; 
Mr. Darwin on, 315. 
, scratched, Mr. Smith on, 323. 
Bowerbank, Mr. J. S., on the micro- 
scopical structure of fossil bones, 2. 
Breton, Cape, on upright Lepidoden- 
dron with stigmaria roots in the coal 
of, 46. 
Brongniart, M. Alex., notice of, xxii. 
Brown, Mr. R., on Lepidodendron with 
stigmaria roots, 46. 
Buckland, Dr., award of the Wollaston 
medal to, xvi; reply on receiving it, 
XViii. 
Cader Idris, geology of country near,300. 
Carboniferous system of New South 
Wales, 60. 
Castor Europzus in the pleistocene of 
Essex, 44. 
Cheshire, Mr.Ormerod on the salt-field 
of, 262, 
Chondrites informis, 223. 
acutangulus, 224. 
Clarke, Rev. W. B., on the carbonife- 
rous system of New South Wales, 60; 
on Trilobites in, 63. 
Coal, Mr. Logan on its discovery in the 
Malay peninsula, 1. 
, analysis of, from Labuan and Bor- 
neo, xcvii. 
