500 



INDEX. 



Alps, Eastern, red marl, &c., with gypsum, rock 

 salt and brine springs of the, 307, 409. 



. — description of the shale, limestone 



and sandstone, with brecciated saliferous de- 

 posits of the, 314. 



_ -younger Alpine limestone of the, 316. 



enumeration of the natural groups 



composing the, 304. 



general structure of the, 803. 



great thickness of the newer deposits 



on the outskirts of the, 378. 

 no great movement took place in the. 



between the secondary and tertiary periods, 350. 

 northern flank of, newer formations 



appear to dip under older, 303. 



range of the primary axis of the, 408. 



relative position of its subordinate 



parts, greatly deranged, 303. 

 undergone movements of elevation 



at several successive epochs, 303. 

 — Southern, reference to works on the metal- 



liferous deposits of, 496 note. 

 Alternations of limestone, calcareous grit, sand- 

 stone, marl, &c., in the Alps, with numerous 



fucoid bodies, description of the system of, 318. 

 Altai chain, reference to accounts of the mines of 



the, 497. 

 Alt-Grant, structure of the banks of the, 146. 

 Alp-Spitz, transverse section through the, and 



Nesselwang, 335. 

 Amia-coprus, a name given by Dr. Buckland, to a 



variety of Ichthyo-coprus, 234. 

 Ammonites, cast of a chamber found in the mag- 



nesian limestone at Humbleton, 118. 

 five species of, in the red, encrinital 



limestone of the Eastern Alps, 314. 

 Anatomical description of the fossil fox of CEnin- 



gen, by Gideon Mantell, Esq., 291. 

 Anglesea, lower schistose rocks of, probably on 



the same parallel as some of the lower system 



of Cornwall, 47 1 note. 

 Anker, Prof., notice of, on the occurrence of bones 



in a coal mine near Gratz, 488. 

 Anooema OEningensis, fossil so called, found at 



(Eningen, 285. 

 Anoplotherium, remarks on the existence of the, 



in the Isle of Wight, 451. 



Appin, notice on a large boulder-stone on the 



shore of, 488. 

 Applecross, red sandstone of, described, 154. 

 identified with the 



older part of the conglomerate series of Caith- 

 ness and the Murray Firth, 154. 

 Aquatic birds, eggs of, preserved in the lacustrine 



limestone of Cournon in Auvergne, 231. 

 Area tumida, occurs in the magnesian limestone 



at Tunstal Hill and Humbleton, 119. 

 Arenaceous dolomite, a modification of the yellow 



magnesian limestone, described, 82. 

 Argillaceous marl, beds of, containing pyrites 



occur below the coal of Hiiring, 375. 

 Arran, Isle of. Rev. A. Sedgwick, and R. I. 



Murchison, Esq., on the geological relations of 



the secondary strata in the, 21. 

 age of the deposits on the western 



shore of, not to be decided, 32, note. 

 — anticlinal axis of North Sannox, 



described, 29. 

 great symmetry of 



the formations on each side of, 34. 



— carboniferous series of, 30. 



fossils found in, 25, 



some of the beds 



of, may belong to the magnesian limestone, 33. 

 coal grits of, iden- 



tical in part with grits of the English coal mea- 

 sures, 30. 

 coast section from Loch Ranza, to 



Brodick, 24. 



general structure of the, 22. 



geological relations of the second- 

 ary strata in the, 21. 

 new red sandstone and conglome- 



rate of, 24. 



— new red sandstone, carboniferous 



system, and okl red sandstone repose conforma- 

 bly in, 30. 



— ' notice of works on the, 21 note. 



■ old red sandstone of, described, 



points in which the formations of, 



differ from their equivalents in other parts of 

 Great Britain, 23. 



