“ Morwel Down, in Devonshire, description of the tunnel through 146 Mountain limestone, forms an elliptical basin in the neighbourhood of Bristol 210 ────────────, coal measures resting on it 211 Needlestone, found in Sky 189 Northumberland, Mr. Bennet's account of a whin dyke in 102 Northumberland and Durham, N. J. Winch, Esq, on the Geology of 1 Nuts, filled with calcareous spar, found in Belfast Lough 443 Okehampton, height of 437 Old red sandstone. See Red Sandstone, Old. ”

“ Traill in Cheshire 447 Iron, specular, on the primitive crystal and cleavage of 251 Iron work, one only now remaining in Northumberland 67 Iserine, found by Dr. Traill in Cheshire 447 Jasper, its resemblance in character to porphyry 134 Junction of granite and schist at Cruachan 120 ────── of trap and schist at Kinnoul 228 Killas, traversed by beds of other rocks in Devonshire 151 ────, Dr. ”

“ Buckland's Observations on the history of 413 ───────────, Theory of their formation on organic remains 420 ───────────, formed in a different manner from the geodes in trap rocks 422 Flints, plated, veins of, in chalk 417 Flinty slate, appearance of in the clay slates of Cruachan when in contact with veins 118 ───────── occurs on the Western shore of Sky 176 Fossil, remarkable one found at Whorlbury camp 217 Fossils, of the plastic clay formation 279, 285, 286, 292, 296-300 ──────, of the Plymouth limestone, observed by Mr. ”