ALPHABETICAL INDEX. 



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

 in italics are also figured. 



Aerolite, notice of one supposed to 

 have fallen in England, 450. 



Africa, South, Mr. Bain on the geology 

 of, 317. 



Prof. Owen's account of fossil 



crania of Dicynodon from, 317. 



Age of fossils comparatively determined 

 by the condition of fossil bone, 214. 



Alberese of Tuscany, account of, 276. 



Alps, Lombardic, M. de Collegno on 

 the stratified rocks of, 115. 



Altai mountains, M. TchihatchefF on 

 the geology of, 550. 



America, North, Mr. Lyell on the Cre- 

 taceous strata of New Jersey in, 55. 



report by Mr. Lonsdale on Cre- 

 taceous corals from, 65. 



Mr. Lyell on the age of plumbago 



and anthracite in Massachussetts, 

 U. S., 199. 



Mr. Lyell on the Miocene ter- 



tiaries of, 413. 



Mr. Lyell on the Eocene tertia- 



ries of, 429. 



report by Mr. Lonsdale on ter 



tiary corals from, 495. 



Boulder formation of, 399. 



account of Mr. Lyell's travels in, 



389. 



See also Canada, Nova Scotia, 

 Cape Breton, &c. 

 America, South, report on Cretaceous 

 fossils from Santa Fe, 174. 



account of a torrent of mud in 



New Granada, 410. 



Ammonites, account by Mr. Strickland 

 of calcareo-corneous bodies found in, 

 232. 



Ammonites Bogotensis, 1 78. 



Buehiana, 177. 



— — Deshayesii, 353. 



Hambrovii, 354. 



Hopkinsi, 176. 



Inca, 176. 



Leai, 178. 



Martinis 354. 



Amphidetus Virginianus, 425. 

 Ancyloceras Humboldtiana, 175. 



Animalcules found in muddy deposits 

 at the mouths of rivers, 251. 



Anthracite and plumbago bed in the 

 mica-schist of Massachussetts, account 

 of, by Mr. Lyell, 199. 



from Massachussetts, Dr. Percy's 



analysis of, 202. 



abundance of, in N. America, 



392. 

 Anthophyllum lineatum, 495. 

 Antigonish (Nova Scotia), section of 



carboniferous rocks near, 31. 

 Appalachian coal field, extent of, 392. 

 Arbroath ( N. B. ), on fractured boulders 



found near, by Mr. Trevelyan, 147. 

 Arenig (N. Wales), sections in the 



neighbourhood of this mountain, 10. 

 Arghaneh-Maden (Asiatic Turkey), 



account of the mining district of, 



333. 

 Argyle County, N.S.Wales, Mr. Clarke 



on dykes of marble and quartz in, 



342. 

 Asia, Central, geology of, 550. 

 Aspidorhynchus euodus, 231. 

 Assam, Upper, table of earthquakes 



from 1839 to 1843, 142. 

 Astrea hirtolameUata, 499. 

 Atherfield and Hythe sections of lower 



greensand, comparison of, by Dr. Fit- 

 ton, 179. 

 A tolls and fringing reefs (of coral), 



account of, 381. 

 Auchmithie, near Arbroath (N. B.), 



Mr. Trevelyan on fractured boulders 



found there, 147. 

 Austen, Mr., account of a supposed 



aerolite, 450. 

 Avictda depressa, 247. 



ephemera, 247. 



lanceolata, 247. 



Azoic, explanation of the term, 468. 



Azoic deposits of Russia and Scandi- 

 navia, their relation to the Palaeozoic 

 deposits, 467. 



Bain, Mr. A. G., on the discovery of 

 fossil remains of bidental and other 

 reptiles in South Africa, 317. 

 r r 2 



